Updated 39 files, added 86 files, deleted 40 files and renamed 2 files (automated)

70 files changed, 2831 insertions, 0 deletions

diff --git a/includes/external/signal/node_modules/uuid/dist/bin/uuid b/includes/external/signal/node_modules/uuid/dist/bin/uuid
new file mode 100644
index 0000000..f38d2ee
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/bin/uuid
@@ -0,0 +1,2 @@
+#!/usr/bin/env node
+require('../uuid-bin');
diff --git a/includes/external/signal/node_modules/uuid/dist/commonjs-browser/index.js b/includes/external/signal/node_modules/uuid/dist/commonjs-browser/index.js
new file mode 100644
index 0000000..5586dd3
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/commonjs-browser/index.js
@@ -0,0 +1,79 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+Object.defineProperty(exports, "NIL", {
+  enumerable: true,
+  get: function get() {
+    return _nil.default;
+  }
+});
+Object.defineProperty(exports, "parse", {
+  enumerable: true,
+  get: function get() {
+    return _parse.default;
+  }
+});
+Object.defineProperty(exports, "stringify", {
+  enumerable: true,
+  get: function get() {
+    return _stringify.default;
+  }
+});
+Object.defineProperty(exports, "v1", {
+  enumerable: true,
+  get: function get() {
+    return _v.default;
+  }
+});
+Object.defineProperty(exports, "v3", {
+  enumerable: true,
+  get: function get() {
+    return _v2.default;
+  }
+});
+Object.defineProperty(exports, "v4", {
+  enumerable: true,
+  get: function get() {
+    return _v3.default;
+  }
+});
+Object.defineProperty(exports, "v5", {
+  enumerable: true,
+  get: function get() {
+    return _v4.default;
+  }
+});
+Object.defineProperty(exports, "validate", {
+  enumerable: true,
+  get: function get() {
+    return _validate.default;
+  }
+});
+Object.defineProperty(exports, "version", {
+  enumerable: true,
+  get: function get() {
+    return _version.default;
+  }
+});
+
+var _v = _interopRequireDefault(require("./v1.js"));
+
+var _v2 = _interopRequireDefault(require("./v3.js"));
+
+var _v3 = _interopRequireDefault(require("./v4.js"));
+
+var _v4 = _interopRequireDefault(require("./v5.js"));
+
+var _nil = _interopRequireDefault(require("./nil.js"));
+
+var _version = _interopRequireDefault(require("./version.js"));
+
+var _validate = _interopRequireDefault(require("./validate.js"));
+
+var _stringify = _interopRequireDefault(require("./stringify.js"));
+
+var _parse = _interopRequireDefault(require("./parse.js"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/commonjs-browser/md5.js b/includes/external/signal/node_modules/uuid/dist/commonjs-browser/md5.js
new file mode 100644
index 0000000..7a4582a
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/commonjs-browser/md5.js
@@ -0,0 +1,223 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+/*
+ * Browser-compatible JavaScript MD5
+ *
+ * Modification of JavaScript MD5
+ * https://github.com/blueimp/JavaScript-MD5
+ *
+ * Copyright 2011, Sebastian Tschan
+ * https://blueimp.net
+ *
+ * Licensed under the MIT license:
+ * https://opensource.org/licenses/MIT
+ *
+ * Based on
+ * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
+ * Digest Algorithm, as defined in RFC 1321.
+ * Version 2.2 Copyright (C) Paul Johnston 1999 - 2009
+ * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
+ * Distributed under the BSD License
+ * See http://pajhome.org.uk/crypt/md5 for more info.
+ */
+function md5(bytes) {
+  if (typeof bytes === 'string') {
+    const msg = unescape(encodeURIComponent(bytes)); // UTF8 escape
+
+    bytes = new Uint8Array(msg.length);
+
+    for (let i = 0; i < msg.length; ++i) {
+      bytes[i] = msg.charCodeAt(i);
+    }
+  }
+
+  return md5ToHexEncodedArray(wordsToMd5(bytesToWords(bytes), bytes.length * 8));
+}
+/*
+ * Convert an array of little-endian words to an array of bytes
+ */
+
+
+function md5ToHexEncodedArray(input) {
+  const output = [];
+  const length32 = input.length * 32;
+  const hexTab = '0123456789abcdef';
+
+  for (let i = 0; i < length32; i += 8) {
+    const x = input[i >> 5] >>> i % 32 & 0xff;
+    const hex = parseInt(hexTab.charAt(x >>> 4 & 0x0f) + hexTab.charAt(x & 0x0f), 16);
+    output.push(hex);
+  }
+
+  return output;
+}
+/**
+ * Calculate output length with padding and bit length
+ */
+
+
+function getOutputLength(inputLength8) {
+  return (inputLength8 + 64 >>> 9 << 4) + 14 + 1;
+}
+/*
+ * Calculate the MD5 of an array of little-endian words, and a bit length.
+ */
+
+
+function wordsToMd5(x, len) {
+  /* append padding */
+  x[len >> 5] |= 0x80 << len % 32;
+  x[getOutputLength(len) - 1] = len;
+  let a = 1732584193;
+  let b = -271733879;
+  let c = -1732584194;
+  let d = 271733878;
+
+  for (let i = 0; i < x.length; i += 16) {
+    const olda = a;
+    const oldb = b;
+    const oldc = c;
+    const oldd = d;
+    a = md5ff(a, b, c, d, x[i], 7, -680876936);
+    d = md5ff(d, a, b, c, x[i + 1], 12, -389564586);
+    c = md5ff(c, d, a, b, x[i + 2], 17, 606105819);
+    b = md5ff(b, c, d, a, x[i + 3], 22, -1044525330);
+    a = md5ff(a, b, c, d, x[i + 4], 7, -176418897);
+    d = md5ff(d, a, b, c, x[i + 5], 12, 1200080426);
+    c = md5ff(c, d, a, b, x[i + 6], 17, -1473231341);
+    b = md5ff(b, c, d, a, x[i + 7], 22, -45705983);
+    a = md5ff(a, b, c, d, x[i + 8], 7, 1770035416);
+    d = md5ff(d, a, b, c, x[i + 9], 12, -1958414417);
+    c = md5ff(c, d, a, b, x[i + 10], 17, -42063);
+    b = md5ff(b, c, d, a, x[i + 11], 22, -1990404162);
+    a = md5ff(a, b, c, d, x[i + 12], 7, 1804603682);
+    d = md5ff(d, a, b, c, x[i + 13], 12, -40341101);
+    c = md5ff(c, d, a, b, x[i + 14], 17, -1502002290);
+    b = md5ff(b, c, d, a, x[i + 15], 22, 1236535329);
+    a = md5gg(a, b, c, d, x[i + 1], 5, -165796510);
+    d = md5gg(d, a, b, c, x[i + 6], 9, -1069501632);
+    c = md5gg(c, d, a, b, x[i + 11], 14, 643717713);
+    b = md5gg(b, c, d, a, x[i], 20, -373897302);
+    a = md5gg(a, b, c, d, x[i + 5], 5, -701558691);
+    d = md5gg(d, a, b, c, x[i + 10], 9, 38016083);
+    c = md5gg(c, d, a, b, x[i + 15], 14, -660478335);
+    b = md5gg(b, c, d, a, x[i + 4], 20, -405537848);
+    a = md5gg(a, b, c, d, x[i + 9], 5, 568446438);
+    d = md5gg(d, a, b, c, x[i + 14], 9, -1019803690);
+    c = md5gg(c, d, a, b, x[i + 3], 14, -187363961);
+    b = md5gg(b, c, d, a, x[i + 8], 20, 1163531501);
+    a = md5gg(a, b, c, d, x[i + 13], 5, -1444681467);
+    d = md5gg(d, a, b, c, x[i + 2], 9, -51403784);
+    c = md5gg(c, d, a, b, x[i + 7], 14, 1735328473);
+    b = md5gg(b, c, d, a, x[i + 12], 20, -1926607734);
+    a = md5hh(a, b, c, d, x[i + 5], 4, -378558);
+    d = md5hh(d, a, b, c, x[i + 8], 11, -2022574463);
+    c = md5hh(c, d, a, b, x[i + 11], 16, 1839030562);
+    b = md5hh(b, c, d, a, x[i + 14], 23, -35309556);
+    a = md5hh(a, b, c, d, x[i + 1], 4, -1530992060);
+    d = md5hh(d, a, b, c, x[i + 4], 11, 1272893353);
+    c = md5hh(c, d, a, b, x[i + 7], 16, -155497632);
+    b = md5hh(b, c, d, a, x[i + 10], 23, -1094730640);
+    a = md5hh(a, b, c, d, x[i + 13], 4, 681279174);
+    d = md5hh(d, a, b, c, x[i], 11, -358537222);
+    c = md5hh(c, d, a, b, x[i + 3], 16, -722521979);
+    b = md5hh(b, c, d, a, x[i + 6], 23, 76029189);
+    a = md5hh(a, b, c, d, x[i + 9], 4, -640364487);
+    d = md5hh(d, a, b, c, x[i + 12], 11, -421815835);
+    c = md5hh(c, d, a, b, x[i + 15], 16, 530742520);
+    b = md5hh(b, c, d, a, x[i + 2], 23, -995338651);
+    a = md5ii(a, b, c, d, x[i], 6, -198630844);
+    d = md5ii(d, a, b, c, x[i + 7], 10, 1126891415);
+    c = md5ii(c, d, a, b, x[i + 14], 15, -1416354905);
+    b = md5ii(b, c, d, a, x[i + 5], 21, -57434055);
+    a = md5ii(a, b, c, d, x[i + 12], 6, 1700485571);
+    d = md5ii(d, a, b, c, x[i + 3], 10, -1894986606);
+    c = md5ii(c, d, a, b, x[i + 10], 15, -1051523);
+    b = md5ii(b, c, d, a, x[i + 1], 21, -2054922799);
+    a = md5ii(a, b, c, d, x[i + 8], 6, 1873313359);
+    d = md5ii(d, a, b, c, x[i + 15], 10, -30611744);
+    c = md5ii(c, d, a, b, x[i + 6], 15, -1560198380);
+    b = md5ii(b, c, d, a, x[i + 13], 21, 1309151649);
+    a = md5ii(a, b, c, d, x[i + 4], 6, -145523070);
+    d = md5ii(d, a, b, c, x[i + 11], 10, -1120210379);
+    c = md5ii(c, d, a, b, x[i + 2], 15, 718787259);
+    b = md5ii(b, c, d, a, x[i + 9], 21, -343485551);
+    a = safeAdd(a, olda);
+    b = safeAdd(b, oldb);
+    c = safeAdd(c, oldc);
+    d = safeAdd(d, oldd);
+  }
+
+  return [a, b, c, d];
+}
+/*
+ * Convert an array bytes to an array of little-endian words
+ * Characters >255 have their high-byte silently ignored.
+ */
+
+
+function bytesToWords(input) {
+  if (input.length === 0) {
+    return [];
+  }
+
+  const length8 = input.length * 8;
+  const output = new Uint32Array(getOutputLength(length8));
+
+  for (let i = 0; i < length8; i += 8) {
+    output[i >> 5] |= (input[i / 8] & 0xff) << i % 32;
+  }
+
+  return output;
+}
+/*
+ * Add integers, wrapping at 2^32. This uses 16-bit operations internally
+ * to work around bugs in some JS interpreters.
+ */
+
+
+function safeAdd(x, y) {
+  const lsw = (x & 0xffff) + (y & 0xffff);
+  const msw = (x >> 16) + (y >> 16) + (lsw >> 16);
+  return msw << 16 | lsw & 0xffff;
+}
+/*
+ * Bitwise rotate a 32-bit number to the left.
+ */
+
+
+function bitRotateLeft(num, cnt) {
+  return num << cnt | num >>> 32 - cnt;
+}
+/*
+ * These functions implement the four basic operations the algorithm uses.
+ */
+
+
+function md5cmn(q, a, b, x, s, t) {
+  return safeAdd(bitRotateLeft(safeAdd(safeAdd(a, q), safeAdd(x, t)), s), b);
+}
+
+function md5ff(a, b, c, d, x, s, t) {
+  return md5cmn(b & c | ~b & d, a, b, x, s, t);
+}
+
+function md5gg(a, b, c, d, x, s, t) {
+  return md5cmn(b & d | c & ~d, a, b, x, s, t);
+}
+
+function md5hh(a, b, c, d, x, s, t) {
+  return md5cmn(b ^ c ^ d, a, b, x, s, t);
+}
+
+function md5ii(a, b, c, d, x, s, t) {
+  return md5cmn(c ^ (b | ~d), a, b, x, s, t);
+}
+
+var _default = md5;
+exports.default = _default;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/commonjs-browser/native.js b/includes/external/signal/node_modules/uuid/dist/commonjs-browser/native.js
new file mode 100644
index 0000000..c2eea59
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/commonjs-browser/native.js
@@ -0,0 +1,11 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+const randomUUID = typeof crypto !== 'undefined' && crypto.randomUUID && crypto.randomUUID.bind(crypto);
+var _default = {
+  randomUUID
+};
+exports.default = _default;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/commonjs-browser/nil.js b/includes/external/signal/node_modules/uuid/dist/commonjs-browser/nil.js
new file mode 100644
index 0000000..7ade577
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/commonjs-browser/nil.js
@@ -0,0 +1,8 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+var _default = '00000000-0000-0000-0000-000000000000';
+exports.default = _default;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/commonjs-browser/parse.js b/includes/external/signal/node_modules/uuid/dist/commonjs-browser/parse.js
new file mode 100644
index 0000000..4c69fc3
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/commonjs-browser/parse.js
@@ -0,0 +1,45 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+var _validate = _interopRequireDefault(require("./validate.js"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function parse(uuid) {
+  if (!(0, _validate.default)(uuid)) {
+    throw TypeError('Invalid UUID');
+  }
+
+  let v;
+  const arr = new Uint8Array(16); // Parse ########-....-....-....-............
+
+  arr[0] = (v = parseInt(uuid.slice(0, 8), 16)) >>> 24;
+  arr[1] = v >>> 16 & 0xff;
+  arr[2] = v >>> 8 & 0xff;
+  arr[3] = v & 0xff; // Parse ........-####-....-....-............
+
+  arr[4] = (v = parseInt(uuid.slice(9, 13), 16)) >>> 8;
+  arr[5] = v & 0xff; // Parse ........-....-####-....-............
+
+  arr[6] = (v = parseInt(uuid.slice(14, 18), 16)) >>> 8;
+  arr[7] = v & 0xff; // Parse ........-....-....-####-............
+
+  arr[8] = (v = parseInt(uuid.slice(19, 23), 16)) >>> 8;
+  arr[9] = v & 0xff; // Parse ........-....-....-....-############
+  // (Use "/" to avoid 32-bit truncation when bit-shifting high-order bytes)
+
+  arr[10] = (v = parseInt(uuid.slice(24, 36), 16)) / 0x10000000000 & 0xff;
+  arr[11] = v / 0x100000000 & 0xff;
+  arr[12] = v >>> 24 & 0xff;
+  arr[13] = v >>> 16 & 0xff;
+  arr[14] = v >>> 8 & 0xff;
+  arr[15] = v & 0xff;
+  return arr;
+}
+
+var _default = parse;
+exports.default = _default;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/commonjs-browser/regex.js b/includes/external/signal/node_modules/uuid/dist/commonjs-browser/regex.js
new file mode 100644
index 0000000..1ef91d6
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/commonjs-browser/regex.js
@@ -0,0 +1,8 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+var _default = /^(?:[0-9a-f]{8}-[0-9a-f]{4}-[1-5][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}|00000000-0000-0000-0000-000000000000)$/i;
+exports.default = _default;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/commonjs-browser/rng.js b/includes/external/signal/node_modules/uuid/dist/commonjs-browser/rng.js
new file mode 100644
index 0000000..d067cdb
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/commonjs-browser/rng.js
@@ -0,0 +1,25 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = rng;
+// Unique ID creation requires a high quality random # generator. In the browser we therefore
+// require the crypto API and do not support built-in fallback to lower quality random number
+// generators (like Math.random()).
+let getRandomValues;
+const rnds8 = new Uint8Array(16);
+
+function rng() {
+  // lazy load so that environments that need to polyfill have a chance to do so
+  if (!getRandomValues) {
+    // getRandomValues needs to be invoked in a context where "this" is a Crypto implementation.
+    getRandomValues = typeof crypto !== 'undefined' && crypto.getRandomValues && crypto.getRandomValues.bind(crypto);
+
+    if (!getRandomValues) {
+      throw new Error('crypto.getRandomValues() not supported. See https://github.com/uuidjs/uuid#getrandomvalues-not-supported');
+    }
+  }
+
+  return getRandomValues(rnds8);
+}
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/commonjs-browser/sha1.js b/includes/external/signal/node_modules/uuid/dist/commonjs-browser/sha1.js
new file mode 100644
index 0000000..24cbced
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/commonjs-browser/sha1.js
@@ -0,0 +1,104 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+// Adapted from Chris Veness' SHA1 code at
+// http://www.movable-type.co.uk/scripts/sha1.html
+function f(s, x, y, z) {
+  switch (s) {
+    case 0:
+      return x & y ^ ~x & z;
+
+    case 1:
+      return x ^ y ^ z;
+
+    case 2:
+      return x & y ^ x & z ^ y & z;
+
+    case 3:
+      return x ^ y ^ z;
+  }
+}
+
+function ROTL(x, n) {
+  return x << n | x >>> 32 - n;
+}
+
+function sha1(bytes) {
+  const K = [0x5a827999, 0x6ed9eba1, 0x8f1bbcdc, 0xca62c1d6];
+  const H = [0x67452301, 0xefcdab89, 0x98badcfe, 0x10325476, 0xc3d2e1f0];
+
+  if (typeof bytes === 'string') {
+    const msg = unescape(encodeURIComponent(bytes)); // UTF8 escape
+
+    bytes = [];
+
+    for (let i = 0; i < msg.length; ++i) {
+      bytes.push(msg.charCodeAt(i));
+    }
+  } else if (!Array.isArray(bytes)) {
+    // Convert Array-like to Array
+    bytes = Array.prototype.slice.call(bytes);
+  }
+
+  bytes.push(0x80);
+  const l = bytes.length / 4 + 2;
+  const N = Math.ceil(l / 16);
+  const M = new Array(N);
+
+  for (let i = 0; i < N; ++i) {
+    const arr = new Uint32Array(16);
+
+    for (let j = 0; j < 16; ++j) {
+      arr[j] = bytes[i * 64 + j * 4] << 24 | bytes[i * 64 + j * 4 + 1] << 16 | bytes[i * 64 + j * 4 + 2] << 8 | bytes[i * 64 + j * 4 + 3];
+    }
+
+    M[i] = arr;
+  }
+
+  M[N - 1][14] = (bytes.length - 1) * 8 / Math.pow(2, 32);
+  M[N - 1][14] = Math.floor(M[N - 1][14]);
+  M[N - 1][15] = (bytes.length - 1) * 8 & 0xffffffff;
+
+  for (let i = 0; i < N; ++i) {
+    const W = new Uint32Array(80);
+
+    for (let t = 0; t < 16; ++t) {
+      W[t] = M[i][t];
+    }
+
+    for (let t = 16; t < 80; ++t) {
+      W[t] = ROTL(W[t - 3] ^ W[t - 8] ^ W[t - 14] ^ W[t - 16], 1);
+    }
+
+    let a = H[0];
+    let b = H[1];
+    let c = H[2];
+    let d = H[3];
+    let e = H[4];
+
+    for (let t = 0; t < 80; ++t) {
+      const s = Math.floor(t / 20);
+      const T = ROTL(a, 5) + f(s, b, c, d) + e + K[s] + W[t] >>> 0;
+      e = d;
+      d = c;
+      c = ROTL(b, 30) >>> 0;
+      b = a;
+      a = T;
+    }
+
+    H[0] = H[0] + a >>> 0;
+    H[1] = H[1] + b >>> 0;
+    H[2] = H[2] + c >>> 0;
+    H[3] = H[3] + d >>> 0;
+    H[4] = H[4] + e >>> 0;
+  }
+
+  return [H[0] >> 24 & 0xff, H[0] >> 16 & 0xff, H[0] >> 8 & 0xff, H[0] & 0xff, H[1] >> 24 & 0xff, H[1] >> 16 & 0xff, H[1] >> 8 & 0xff, H[1] & 0xff, H[2] >> 24 & 0xff, H[2] >> 16 & 0xff, H[2] >> 8 & 0xff, H[2] & 0xff, H[3] >> 24 & 0xff, H[3] >> 16 & 0xff, H[3] >> 8 & 0xff, H[3] & 0xff, H[4] >> 24 & 0xff, H[4] >> 16 & 0xff, H[4] >> 8 & 0xff, H[4] & 0xff];
+}
+
+var _default = sha1;
+exports.default = _default;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/commonjs-browser/stringify.js b/includes/external/signal/node_modules/uuid/dist/commonjs-browser/stringify.js
new file mode 100644
index 0000000..bdcea1c
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/commonjs-browser/stringify.js
@@ -0,0 +1,44 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+exports.unsafeStringify = unsafeStringify;
+
+var _validate = _interopRequireDefault(require("./validate.js"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Convert array of 16 byte values to UUID string format of the form:
+ * XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX
+ */
+const byteToHex = [];
+
+for (let i = 0; i < 256; ++i) {
+  byteToHex.push((i + 0x100).toString(16).slice(1));
+}
+
+function unsafeStringify(arr, offset = 0) {
+  // Note: Be careful editing this code!  It's been tuned for performance
+  // and works in ways you may not expect. See https://github.com/uuidjs/uuid/pull/434
+  return (byteToHex[arr[offset + 0]] + byteToHex[arr[offset + 1]] + byteToHex[arr[offset + 2]] + byteToHex[arr[offset + 3]] + '-' + byteToHex[arr[offset + 4]] + byteToHex[arr[offset + 5]] + '-' + byteToHex[arr[offset + 6]] + byteToHex[arr[offset + 7]] + '-' + byteToHex[arr[offset + 8]] + byteToHex[arr[offset + 9]] + '-' + byteToHex[arr[offset + 10]] + byteToHex[arr[offset + 11]] + byteToHex[arr[offset + 12]] + byteToHex[arr[offset + 13]] + byteToHex[arr[offset + 14]] + byteToHex[arr[offset + 15]]).toLowerCase();
+}
+
+function stringify(arr, offset = 0) {
+  const uuid = unsafeStringify(arr, offset); // Consistency check for valid UUID.  If this throws, it's likely due to one
+  // of the following:
+  // - One or more input array values don't map to a hex octet (leading to
+  // "undefined" in the uuid)
+  // - Invalid input values for the RFC `version` or `variant` fields
+
+  if (!(0, _validate.default)(uuid)) {
+    throw TypeError('Stringified UUID is invalid');
+  }
+
+  return uuid;
+}
+
+var _default = stringify;
+exports.default = _default;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/commonjs-browser/v1.js b/includes/external/signal/node_modules/uuid/dist/commonjs-browser/v1.js
new file mode 100644
index 0000000..125bc58
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/commonjs-browser/v1.js
@@ -0,0 +1,107 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+var _rng = _interopRequireDefault(require("./rng.js"));
+
+var _stringify = require("./stringify.js");
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+// **`v1()` - Generate time-based UUID**
+//
+// Inspired by https://github.com/LiosK/UUID.js
+// and http://docs.python.org/library/uuid.html
+let _nodeId;
+
+let _clockseq; // Previous uuid creation time
+
+
+let _lastMSecs = 0;
+let _lastNSecs = 0; // See https://github.com/uuidjs/uuid for API details
+
+function v1(options, buf, offset) {
+  let i = buf && offset || 0;
+  const b = buf || new Array(16);
+  options = options || {};
+  let node = options.node || _nodeId;
+  let clockseq = options.clockseq !== undefined ? options.clockseq : _clockseq; // node and clockseq need to be initialized to random values if they're not
+  // specified.  We do this lazily to minimize issues related to insufficient
+  // system entropy.  See #189
+
+  if (node == null || clockseq == null) {
+    const seedBytes = options.random || (options.rng || _rng.default)();
+
+    if (node == null) {
+      // Per 4.5, create and 48-bit node id, (47 random bits + multicast bit = 1)
+      node = _nodeId = [seedBytes[0] | 0x01, seedBytes[1], seedBytes[2], seedBytes[3], seedBytes[4], seedBytes[5]];
+    }
+
+    if (clockseq == null) {
+      // Per 4.2.2, randomize (14 bit) clockseq
+      clockseq = _clockseq = (seedBytes[6] << 8 | seedBytes[7]) & 0x3fff;
+    }
+  } // UUID timestamps are 100 nano-second units since the Gregorian epoch,
+  // (1582-10-15 00:00).  JSNumbers aren't precise enough for this, so
+  // time is handled internally as 'msecs' (integer milliseconds) and 'nsecs'
+  // (100-nanoseconds offset from msecs) since unix epoch, 1970-01-01 00:00.
+
+
+  let msecs = options.msecs !== undefined ? options.msecs : Date.now(); // Per 4.2.1.2, use count of uuid's generated during the current clock
+  // cycle to simulate higher resolution clock
+
+  let nsecs = options.nsecs !== undefined ? options.nsecs : _lastNSecs + 1; // Time since last uuid creation (in msecs)
+
+  const dt = msecs - _lastMSecs + (nsecs - _lastNSecs) / 10000; // Per 4.2.1.2, Bump clockseq on clock regression
+
+  if (dt < 0 && options.clockseq === undefined) {
+    clockseq = clockseq + 1 & 0x3fff;
+  } // Reset nsecs if clock regresses (new clockseq) or we've moved onto a new
+  // time interval
+
+
+  if ((dt < 0 || msecs > _lastMSecs) && options.nsecs === undefined) {
+    nsecs = 0;
+  } // Per 4.2.1.2 Throw error if too many uuids are requested
+
+
+  if (nsecs >= 10000) {
+    throw new Error("uuid.v1(): Can't create more than 10M uuids/sec");
+  }
+
+  _lastMSecs = msecs;
+  _lastNSecs = nsecs;
+  _clockseq = clockseq; // Per 4.1.4 - Convert from unix epoch to Gregorian epoch
+
+  msecs += 12219292800000; // `time_low`
+
+  const tl = ((msecs & 0xfffffff) * 10000 + nsecs) % 0x100000000;
+  b[i++] = tl >>> 24 & 0xff;
+  b[i++] = tl >>> 16 & 0xff;
+  b[i++] = tl >>> 8 & 0xff;
+  b[i++] = tl & 0xff; // `time_mid`
+
+  const tmh = msecs / 0x100000000 * 10000 & 0xfffffff;
+  b[i++] = tmh >>> 8 & 0xff;
+  b[i++] = tmh & 0xff; // `time_high_and_version`
+
+  b[i++] = tmh >>> 24 & 0xf | 0x10; // include version
+
+  b[i++] = tmh >>> 16 & 0xff; // `clock_seq_hi_and_reserved` (Per 4.2.2 - include variant)
+
+  b[i++] = clockseq >>> 8 | 0x80; // `clock_seq_low`
+
+  b[i++] = clockseq & 0xff; // `node`
+
+  for (let n = 0; n < 6; ++n) {
+    b[i + n] = node[n];
+  }
+
+  return buf || (0, _stringify.unsafeStringify)(b);
+}
+
+var _default = v1;
+exports.default = _default;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/commonjs-browser/v3.js b/includes/external/signal/node_modules/uuid/dist/commonjs-browser/v3.js
new file mode 100644
index 0000000..6b47ff5
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/commonjs-browser/v3.js
@@ -0,0 +1,16 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+var _v = _interopRequireDefault(require("./v35.js"));
+
+var _md = _interopRequireDefault(require("./md5.js"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+const v3 = (0, _v.default)('v3', 0x30, _md.default);
+var _default = v3;
+exports.default = _default;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/commonjs-browser/v35.js b/includes/external/signal/node_modules/uuid/dist/commonjs-browser/v35.js
new file mode 100644
index 0000000..7c522d9
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/commonjs-browser/v35.js
@@ -0,0 +1,80 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.URL = exports.DNS = void 0;
+exports.default = v35;
+
+var _stringify = require("./stringify.js");
+
+var _parse = _interopRequireDefault(require("./parse.js"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function stringToBytes(str) {
+  str = unescape(encodeURIComponent(str)); // UTF8 escape
+
+  const bytes = [];
+
+  for (let i = 0; i < str.length; ++i) {
+    bytes.push(str.charCodeAt(i));
+  }
+
+  return bytes;
+}
+
+const DNS = '6ba7b810-9dad-11d1-80b4-00c04fd430c8';
+exports.DNS = DNS;
+const URL = '6ba7b811-9dad-11d1-80b4-00c04fd430c8';
+exports.URL = URL;
+
+function v35(name, version, hashfunc) {
+  function generateUUID(value, namespace, buf, offset) {
+    var _namespace;
+
+    if (typeof value === 'string') {
+      value = stringToBytes(value);
+    }
+
+    if (typeof namespace === 'string') {
+      namespace = (0, _parse.default)(namespace);
+    }
+
+    if (((_namespace = namespace) === null || _namespace === void 0 ? void 0 : _namespace.length) !== 16) {
+      throw TypeError('Namespace must be array-like (16 iterable integer values, 0-255)');
+    } // Compute hash of namespace and value, Per 4.3
+    // Future: Use spread syntax when supported on all platforms, e.g. `bytes =
+    // hashfunc([...namespace, ... value])`
+
+
+    let bytes = new Uint8Array(16 + value.length);
+    bytes.set(namespace);
+    bytes.set(value, namespace.length);
+    bytes = hashfunc(bytes);
+    bytes[6] = bytes[6] & 0x0f | version;
+    bytes[8] = bytes[8] & 0x3f | 0x80;
+
+    if (buf) {
+      offset = offset || 0;
+
+      for (let i = 0; i < 16; ++i) {
+        buf[offset + i] = bytes[i];
+      }
+
+      return buf;
+    }
+
+    return (0, _stringify.unsafeStringify)(bytes);
+  } // Function#name is not settable on some platforms (#270)
+
+
+  try {
+    generateUUID.name = name; // eslint-disable-next-line no-empty
+  } catch (err) {} // For CommonJS default export support
+
+
+  generateUUID.DNS = DNS;
+  generateUUID.URL = URL;
+  return generateUUID;
+}
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/commonjs-browser/v4.js b/includes/external/signal/node_modules/uuid/dist/commonjs-browser/v4.js
new file mode 100644
index 0000000..959d698
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/commonjs-browser/v4.js
@@ -0,0 +1,43 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+var _native = _interopRequireDefault(require("./native.js"));
+
+var _rng = _interopRequireDefault(require("./rng.js"));
+
+var _stringify = require("./stringify.js");
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function v4(options, buf, offset) {
+  if (_native.default.randomUUID && !buf && !options) {
+    return _native.default.randomUUID();
+  }
+
+  options = options || {};
+
+  const rnds = options.random || (options.rng || _rng.default)(); // Per 4.4, set bits for version and `clock_seq_hi_and_reserved`
+
+
+  rnds[6] = rnds[6] & 0x0f | 0x40;
+  rnds[8] = rnds[8] & 0x3f | 0x80; // Copy bytes to buffer, if provided
+
+  if (buf) {
+    offset = offset || 0;
+
+    for (let i = 0; i < 16; ++i) {
+      buf[offset + i] = rnds[i];
+    }
+
+    return buf;
+  }
+
+  return (0, _stringify.unsafeStringify)(rnds);
+}
+
+var _default = v4;
+exports.default = _default;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/commonjs-browser/v5.js b/includes/external/signal/node_modules/uuid/dist/commonjs-browser/v5.js
new file mode 100644
index 0000000..99d615e
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/commonjs-browser/v5.js
@@ -0,0 +1,16 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+var _v = _interopRequireDefault(require("./v35.js"));
+
+var _sha = _interopRequireDefault(require("./sha1.js"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+const v5 = (0, _v.default)('v5', 0x50, _sha.default);
+var _default = v5;
+exports.default = _default;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/commonjs-browser/validate.js b/includes/external/signal/node_modules/uuid/dist/commonjs-browser/validate.js
new file mode 100644
index 0000000..fd05215
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/commonjs-browser/validate.js
@@ -0,0 +1,17 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+var _regex = _interopRequireDefault(require("./regex.js"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function validate(uuid) {
+  return typeof uuid === 'string' && _regex.default.test(uuid);
+}
+
+var _default = validate;
+exports.default = _default;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/commonjs-browser/version.js b/includes/external/signal/node_modules/uuid/dist/commonjs-browser/version.js
new file mode 100644
index 0000000..f63af01
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/commonjs-browser/version.js
@@ -0,0 +1,21 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+var _validate = _interopRequireDefault(require("./validate.js"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function version(uuid) {
+  if (!(0, _validate.default)(uuid)) {
+    throw TypeError('Invalid UUID');
+  }
+
+  return parseInt(uuid.slice(14, 15), 16);
+}
+
+var _default = version;
+exports.default = _default;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/esm-browser/index.js b/includes/external/signal/node_modules/uuid/dist/esm-browser/index.js
new file mode 100644
index 0000000..1db6f6d
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/esm-browser/index.js
@@ -0,0 +1,9 @@
+export { default as v1 } from './v1.js';
+export { default as v3 } from './v3.js';
+export { default as v4 } from './v4.js';
+export { default as v5 } from './v5.js';
+export { default as NIL } from './nil.js';
+export { default as version } from './version.js';
+export { default as validate } from './validate.js';
+export { default as stringify } from './stringify.js';
+export { default as parse } from './parse.js';
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/esm-browser/md5.js b/includes/external/signal/node_modules/uuid/dist/esm-browser/md5.js
new file mode 100644
index 0000000..f12212e
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/esm-browser/md5.js
@@ -0,0 +1,215 @@
+/*
+ * Browser-compatible JavaScript MD5
+ *
+ * Modification of JavaScript MD5
+ * https://github.com/blueimp/JavaScript-MD5
+ *
+ * Copyright 2011, Sebastian Tschan
+ * https://blueimp.net
+ *
+ * Licensed under the MIT license:
+ * https://opensource.org/licenses/MIT
+ *
+ * Based on
+ * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
+ * Digest Algorithm, as defined in RFC 1321.
+ * Version 2.2 Copyright (C) Paul Johnston 1999 - 2009
+ * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
+ * Distributed under the BSD License
+ * See http://pajhome.org.uk/crypt/md5 for more info.
+ */
+function md5(bytes) {
+  if (typeof bytes === 'string') {
+    const msg = unescape(encodeURIComponent(bytes)); // UTF8 escape
+
+    bytes = new Uint8Array(msg.length);
+
+    for (let i = 0; i < msg.length; ++i) {
+      bytes[i] = msg.charCodeAt(i);
+    }
+  }
+
+  return md5ToHexEncodedArray(wordsToMd5(bytesToWords(bytes), bytes.length * 8));
+}
+/*
+ * Convert an array of little-endian words to an array of bytes
+ */
+
+
+function md5ToHexEncodedArray(input) {
+  const output = [];
+  const length32 = input.length * 32;
+  const hexTab = '0123456789abcdef';
+
+  for (let i = 0; i < length32; i += 8) {
+    const x = input[i >> 5] >>> i % 32 & 0xff;
+    const hex = parseInt(hexTab.charAt(x >>> 4 & 0x0f) + hexTab.charAt(x & 0x0f), 16);
+    output.push(hex);
+  }
+
+  return output;
+}
+/**
+ * Calculate output length with padding and bit length
+ */
+
+
+function getOutputLength(inputLength8) {
+  return (inputLength8 + 64 >>> 9 << 4) + 14 + 1;
+}
+/*
+ * Calculate the MD5 of an array of little-endian words, and a bit length.
+ */
+
+
+function wordsToMd5(x, len) {
+  /* append padding */
+  x[len >> 5] |= 0x80 << len % 32;
+  x[getOutputLength(len) - 1] = len;
+  let a = 1732584193;
+  let b = -271733879;
+  let c = -1732584194;
+  let d = 271733878;
+
+  for (let i = 0; i < x.length; i += 16) {
+    const olda = a;
+    const oldb = b;
+    const oldc = c;
+    const oldd = d;
+    a = md5ff(a, b, c, d, x[i], 7, -680876936);
+    d = md5ff(d, a, b, c, x[i + 1], 12, -389564586);
+    c = md5ff(c, d, a, b, x[i + 2], 17, 606105819);
+    b = md5ff(b, c, d, a, x[i + 3], 22, -1044525330);
+    a = md5ff(a, b, c, d, x[i + 4], 7, -176418897);
+    d = md5ff(d, a, b, c, x[i + 5], 12, 1200080426);
+    c = md5ff(c, d, a, b, x[i + 6], 17, -1473231341);
+    b = md5ff(b, c, d, a, x[i + 7], 22, -45705983);
+    a = md5ff(a, b, c, d, x[i + 8], 7, 1770035416);
+    d = md5ff(d, a, b, c, x[i + 9], 12, -1958414417);
+    c = md5ff(c, d, a, b, x[i + 10], 17, -42063);
+    b = md5ff(b, c, d, a, x[i + 11], 22, -1990404162);
+    a = md5ff(a, b, c, d, x[i + 12], 7, 1804603682);
+    d = md5ff(d, a, b, c, x[i + 13], 12, -40341101);
+    c = md5ff(c, d, a, b, x[i + 14], 17, -1502002290);
+    b = md5ff(b, c, d, a, x[i + 15], 22, 1236535329);
+    a = md5gg(a, b, c, d, x[i + 1], 5, -165796510);
+    d = md5gg(d, a, b, c, x[i + 6], 9, -1069501632);
+    c = md5gg(c, d, a, b, x[i + 11], 14, 643717713);
+    b = md5gg(b, c, d, a, x[i], 20, -373897302);
+    a = md5gg(a, b, c, d, x[i + 5], 5, -701558691);
+    d = md5gg(d, a, b, c, x[i + 10], 9, 38016083);
+    c = md5gg(c, d, a, b, x[i + 15], 14, -660478335);
+    b = md5gg(b, c, d, a, x[i + 4], 20, -405537848);
+    a = md5gg(a, b, c, d, x[i + 9], 5, 568446438);
+    d = md5gg(d, a, b, c, x[i + 14], 9, -1019803690);
+    c = md5gg(c, d, a, b, x[i + 3], 14, -187363961);
+    b = md5gg(b, c, d, a, x[i + 8], 20, 1163531501);
+    a = md5gg(a, b, c, d, x[i + 13], 5, -1444681467);
+    d = md5gg(d, a, b, c, x[i + 2], 9, -51403784);
+    c = md5gg(c, d, a, b, x[i + 7], 14, 1735328473);
+    b = md5gg(b, c, d, a, x[i + 12], 20, -1926607734);
+    a = md5hh(a, b, c, d, x[i + 5], 4, -378558);
+    d = md5hh(d, a, b, c, x[i + 8], 11, -2022574463);
+    c = md5hh(c, d, a, b, x[i + 11], 16, 1839030562);
+    b = md5hh(b, c, d, a, x[i + 14], 23, -35309556);
+    a = md5hh(a, b, c, d, x[i + 1], 4, -1530992060);
+    d = md5hh(d, a, b, c, x[i + 4], 11, 1272893353);
+    c = md5hh(c, d, a, b, x[i + 7], 16, -155497632);
+    b = md5hh(b, c, d, a, x[i + 10], 23, -1094730640);
+    a = md5hh(a, b, c, d, x[i + 13], 4, 681279174);
+    d = md5hh(d, a, b, c, x[i], 11, -358537222);
+    c = md5hh(c, d, a, b, x[i + 3], 16, -722521979);
+    b = md5hh(b, c, d, a, x[i + 6], 23, 76029189);
+    a = md5hh(a, b, c, d, x[i + 9], 4, -640364487);
+    d = md5hh(d, a, b, c, x[i + 12], 11, -421815835);
+    c = md5hh(c, d, a, b, x[i + 15], 16, 530742520);
+    b = md5hh(b, c, d, a, x[i + 2], 23, -995338651);
+    a = md5ii(a, b, c, d, x[i], 6, -198630844);
+    d = md5ii(d, a, b, c, x[i + 7], 10, 1126891415);
+    c = md5ii(c, d, a, b, x[i + 14], 15, -1416354905);
+    b = md5ii(b, c, d, a, x[i + 5], 21, -57434055);
+    a = md5ii(a, b, c, d, x[i + 12], 6, 1700485571);
+    d = md5ii(d, a, b, c, x[i + 3], 10, -1894986606);
+    c = md5ii(c, d, a, b, x[i + 10], 15, -1051523);
+    b = md5ii(b, c, d, a, x[i + 1], 21, -2054922799);
+    a = md5ii(a, b, c, d, x[i + 8], 6, 1873313359);
+    d = md5ii(d, a, b, c, x[i + 15], 10, -30611744);
+    c = md5ii(c, d, a, b, x[i + 6], 15, -1560198380);
+    b = md5ii(b, c, d, a, x[i + 13], 21, 1309151649);
+    a = md5ii(a, b, c, d, x[i + 4], 6, -145523070);
+    d = md5ii(d, a, b, c, x[i + 11], 10, -1120210379);
+    c = md5ii(c, d, a, b, x[i + 2], 15, 718787259);
+    b = md5ii(b, c, d, a, x[i + 9], 21, -343485551);
+    a = safeAdd(a, olda);
+    b = safeAdd(b, oldb);
+    c = safeAdd(c, oldc);
+    d = safeAdd(d, oldd);
+  }
+
+  return [a, b, c, d];
+}
+/*
+ * Convert an array bytes to an array of little-endian words
+ * Characters >255 have their high-byte silently ignored.
+ */
+
+
+function bytesToWords(input) {
+  if (input.length === 0) {
+    return [];
+  }
+
+  const length8 = input.length * 8;
+  const output = new Uint32Array(getOutputLength(length8));
+
+  for (let i = 0; i < length8; i += 8) {
+    output[i >> 5] |= (input[i / 8] & 0xff) << i % 32;
+  }
+
+  return output;
+}
+/*
+ * Add integers, wrapping at 2^32. This uses 16-bit operations internally
+ * to work around bugs in some JS interpreters.
+ */
+
+
+function safeAdd(x, y) {
+  const lsw = (x & 0xffff) + (y & 0xffff);
+  const msw = (x >> 16) + (y >> 16) + (lsw >> 16);
+  return msw << 16 | lsw & 0xffff;
+}
+/*
+ * Bitwise rotate a 32-bit number to the left.
+ */
+
+
+function bitRotateLeft(num, cnt) {
+  return num << cnt | num >>> 32 - cnt;
+}
+/*
+ * These functions implement the four basic operations the algorithm uses.
+ */
+
+
+function md5cmn(q, a, b, x, s, t) {
+  return safeAdd(bitRotateLeft(safeAdd(safeAdd(a, q), safeAdd(x, t)), s), b);
+}
+
+function md5ff(a, b, c, d, x, s, t) {
+  return md5cmn(b & c | ~b & d, a, b, x, s, t);
+}
+
+function md5gg(a, b, c, d, x, s, t) {
+  return md5cmn(b & d | c & ~d, a, b, x, s, t);
+}
+
+function md5hh(a, b, c, d, x, s, t) {
+  return md5cmn(b ^ c ^ d, a, b, x, s, t);
+}
+
+function md5ii(a, b, c, d, x, s, t) {
+  return md5cmn(c ^ (b | ~d), a, b, x, s, t);
+}
+
+export default md5;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/esm-browser/native.js b/includes/external/signal/node_modules/uuid/dist/esm-browser/native.js
new file mode 100644
index 0000000..b22292c
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/esm-browser/native.js
@@ -0,0 +1,4 @@
+const randomUUID = typeof crypto !== 'undefined' && crypto.randomUUID && crypto.randomUUID.bind(crypto);
+export default {
+  randomUUID
+};
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/esm-browser/nil.js b/includes/external/signal/node_modules/uuid/dist/esm-browser/nil.js
new file mode 100644
index 0000000..b36324c
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/esm-browser/nil.js
@@ -0,0 +1 @@
+export default '00000000-0000-0000-0000-000000000000';
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/esm-browser/parse.js b/includes/external/signal/node_modules/uuid/dist/esm-browser/parse.js
new file mode 100644
index 0000000..6421c5d
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/esm-browser/parse.js
@@ -0,0 +1,35 @@
+import validate from './validate.js';
+
+function parse(uuid) {
+  if (!validate(uuid)) {
+    throw TypeError('Invalid UUID');
+  }
+
+  let v;
+  const arr = new Uint8Array(16); // Parse ########-....-....-....-............
+
+  arr[0] = (v = parseInt(uuid.slice(0, 8), 16)) >>> 24;
+  arr[1] = v >>> 16 & 0xff;
+  arr[2] = v >>> 8 & 0xff;
+  arr[3] = v & 0xff; // Parse ........-####-....-....-............
+
+  arr[4] = (v = parseInt(uuid.slice(9, 13), 16)) >>> 8;
+  arr[5] = v & 0xff; // Parse ........-....-####-....-............
+
+  arr[6] = (v = parseInt(uuid.slice(14, 18), 16)) >>> 8;
+  arr[7] = v & 0xff; // Parse ........-....-....-####-............
+
+  arr[8] = (v = parseInt(uuid.slice(19, 23), 16)) >>> 8;
+  arr[9] = v & 0xff; // Parse ........-....-....-....-############
+  // (Use "/" to avoid 32-bit truncation when bit-shifting high-order bytes)
+
+  arr[10] = (v = parseInt(uuid.slice(24, 36), 16)) / 0x10000000000 & 0xff;
+  arr[11] = v / 0x100000000 & 0xff;
+  arr[12] = v >>> 24 & 0xff;
+  arr[13] = v >>> 16 & 0xff;
+  arr[14] = v >>> 8 & 0xff;
+  arr[15] = v & 0xff;
+  return arr;
+}
+
+export default parse;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/esm-browser/regex.js b/includes/external/signal/node_modules/uuid/dist/esm-browser/regex.js
new file mode 100644
index 0000000..3da8673
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/esm-browser/regex.js
@@ -0,0 +1 @@
+export default /^(?:[0-9a-f]{8}-[0-9a-f]{4}-[1-5][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}|00000000-0000-0000-0000-000000000000)$/i;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/esm-browser/rng.js b/includes/external/signal/node_modules/uuid/dist/esm-browser/rng.js
new file mode 100644
index 0000000..6e65234
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/esm-browser/rng.js
@@ -0,0 +1,18 @@
+// Unique ID creation requires a high quality random # generator. In the browser we therefore
+// require the crypto API and do not support built-in fallback to lower quality random number
+// generators (like Math.random()).
+let getRandomValues;
+const rnds8 = new Uint8Array(16);
+export default function rng() {
+  // lazy load so that environments that need to polyfill have a chance to do so
+  if (!getRandomValues) {
+    // getRandomValues needs to be invoked in a context where "this" is a Crypto implementation.
+    getRandomValues = typeof crypto !== 'undefined' && crypto.getRandomValues && crypto.getRandomValues.bind(crypto);
+
+    if (!getRandomValues) {
+      throw new Error('crypto.getRandomValues() not supported. See https://github.com/uuidjs/uuid#getrandomvalues-not-supported');
+    }
+  }
+
+  return getRandomValues(rnds8);
+}
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/esm-browser/sha1.js b/includes/external/signal/node_modules/uuid/dist/esm-browser/sha1.js
new file mode 100644
index 0000000..d3c2565
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/esm-browser/sha1.js
@@ -0,0 +1,96 @@
+// Adapted from Chris Veness' SHA1 code at
+// http://www.movable-type.co.uk/scripts/sha1.html
+function f(s, x, y, z) {
+  switch (s) {
+    case 0:
+      return x & y ^ ~x & z;
+
+    case 1:
+      return x ^ y ^ z;
+
+    case 2:
+      return x & y ^ x & z ^ y & z;
+
+    case 3:
+      return x ^ y ^ z;
+  }
+}
+
+function ROTL(x, n) {
+  return x << n | x >>> 32 - n;
+}
+
+function sha1(bytes) {
+  const K = [0x5a827999, 0x6ed9eba1, 0x8f1bbcdc, 0xca62c1d6];
+  const H = [0x67452301, 0xefcdab89, 0x98badcfe, 0x10325476, 0xc3d2e1f0];
+
+  if (typeof bytes === 'string') {
+    const msg = unescape(encodeURIComponent(bytes)); // UTF8 escape
+
+    bytes = [];
+
+    for (let i = 0; i < msg.length; ++i) {
+      bytes.push(msg.charCodeAt(i));
+    }
+  } else if (!Array.isArray(bytes)) {
+    // Convert Array-like to Array
+    bytes = Array.prototype.slice.call(bytes);
+  }
+
+  bytes.push(0x80);
+  const l = bytes.length / 4 + 2;
+  const N = Math.ceil(l / 16);
+  const M = new Array(N);
+
+  for (let i = 0; i < N; ++i) {
+    const arr = new Uint32Array(16);
+
+    for (let j = 0; j < 16; ++j) {
+      arr[j] = bytes[i * 64 + j * 4] << 24 | bytes[i * 64 + j * 4 + 1] << 16 | bytes[i * 64 + j * 4 + 2] << 8 | bytes[i * 64 + j * 4 + 3];
+    }
+
+    M[i] = arr;
+  }
+
+  M[N - 1][14] = (bytes.length - 1) * 8 / Math.pow(2, 32);
+  M[N - 1][14] = Math.floor(M[N - 1][14]);
+  M[N - 1][15] = (bytes.length - 1) * 8 & 0xffffffff;
+
+  for (let i = 0; i < N; ++i) {
+    const W = new Uint32Array(80);
+
+    for (let t = 0; t < 16; ++t) {
+      W[t] = M[i][t];
+    }
+
+    for (let t = 16; t < 80; ++t) {
+      W[t] = ROTL(W[t - 3] ^ W[t - 8] ^ W[t - 14] ^ W[t - 16], 1);
+    }
+
+    let a = H[0];
+    let b = H[1];
+    let c = H[2];
+    let d = H[3];
+    let e = H[4];
+
+    for (let t = 0; t < 80; ++t) {
+      const s = Math.floor(t / 20);
+      const T = ROTL(a, 5) + f(s, b, c, d) + e + K[s] + W[t] >>> 0;
+      e = d;
+      d = c;
+      c = ROTL(b, 30) >>> 0;
+      b = a;
+      a = T;
+    }
+
+    H[0] = H[0] + a >>> 0;
+    H[1] = H[1] + b >>> 0;
+    H[2] = H[2] + c >>> 0;
+    H[3] = H[3] + d >>> 0;
+    H[4] = H[4] + e >>> 0;
+  }
+
+  return [H[0] >> 24 & 0xff, H[0] >> 16 & 0xff, H[0] >> 8 & 0xff, H[0] & 0xff, H[1] >> 24 & 0xff, H[1] >> 16 & 0xff, H[1] >> 8 & 0xff, H[1] & 0xff, H[2] >> 24 & 0xff, H[2] >> 16 & 0xff, H[2] >> 8 & 0xff, H[2] & 0xff, H[3] >> 24 & 0xff, H[3] >> 16 & 0xff, H[3] >> 8 & 0xff, H[3] & 0xff, H[4] >> 24 & 0xff, H[4] >> 16 & 0xff, H[4] >> 8 & 0xff, H[4] & 0xff];
+}
+
+export default sha1;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/esm-browser/stringify.js b/includes/external/signal/node_modules/uuid/dist/esm-browser/stringify.js
new file mode 100644
index 0000000..80fac8a
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/esm-browser/stringify.js
@@ -0,0 +1,33 @@
+import validate from './validate.js';
+/**
+ * Convert array of 16 byte values to UUID string format of the form:
+ * XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX
+ */
+
+const byteToHex = [];
+
+for (let i = 0; i < 256; ++i) {
+  byteToHex.push((i + 0x100).toString(16).slice(1));
+}
+
+export function unsafeStringify(arr, offset = 0) {
+  // Note: Be careful editing this code!  It's been tuned for performance
+  // and works in ways you may not expect. See https://github.com/uuidjs/uuid/pull/434
+  return (byteToHex[arr[offset + 0]] + byteToHex[arr[offset + 1]] + byteToHex[arr[offset + 2]] + byteToHex[arr[offset + 3]] + '-' + byteToHex[arr[offset + 4]] + byteToHex[arr[offset + 5]] + '-' + byteToHex[arr[offset + 6]] + byteToHex[arr[offset + 7]] + '-' + byteToHex[arr[offset + 8]] + byteToHex[arr[offset + 9]] + '-' + byteToHex[arr[offset + 10]] + byteToHex[arr[offset + 11]] + byteToHex[arr[offset + 12]] + byteToHex[arr[offset + 13]] + byteToHex[arr[offset + 14]] + byteToHex[arr[offset + 15]]).toLowerCase();
+}
+
+function stringify(arr, offset = 0) {
+  const uuid = unsafeStringify(arr, offset); // Consistency check for valid UUID.  If this throws, it's likely due to one
+  // of the following:
+  // - One or more input array values don't map to a hex octet (leading to
+  // "undefined" in the uuid)
+  // - Invalid input values for the RFC `version` or `variant` fields
+
+  if (!validate(uuid)) {
+    throw TypeError('Stringified UUID is invalid');
+  }
+
+  return uuid;
+}
+
+export default stringify;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/esm-browser/v1.js b/includes/external/signal/node_modules/uuid/dist/esm-browser/v1.js
new file mode 100644
index 0000000..382e5d7
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/esm-browser/v1.js
@@ -0,0 +1,95 @@
+import rng from './rng.js';
+import { unsafeStringify } from './stringify.js'; // **`v1()` - Generate time-based UUID**
+//
+// Inspired by https://github.com/LiosK/UUID.js
+// and http://docs.python.org/library/uuid.html
+
+let _nodeId;
+
+let _clockseq; // Previous uuid creation time
+
+
+let _lastMSecs = 0;
+let _lastNSecs = 0; // See https://github.com/uuidjs/uuid for API details
+
+function v1(options, buf, offset) {
+  let i = buf && offset || 0;
+  const b = buf || new Array(16);
+  options = options || {};
+  let node = options.node || _nodeId;
+  let clockseq = options.clockseq !== undefined ? options.clockseq : _clockseq; // node and clockseq need to be initialized to random values if they're not
+  // specified.  We do this lazily to minimize issues related to insufficient
+  // system entropy.  See #189
+
+  if (node == null || clockseq == null) {
+    const seedBytes = options.random || (options.rng || rng)();
+
+    if (node == null) {
+      // Per 4.5, create and 48-bit node id, (47 random bits + multicast bit = 1)
+      node = _nodeId = [seedBytes[0] | 0x01, seedBytes[1], seedBytes[2], seedBytes[3], seedBytes[4], seedBytes[5]];
+    }
+
+    if (clockseq == null) {
+      // Per 4.2.2, randomize (14 bit) clockseq
+      clockseq = _clockseq = (seedBytes[6] << 8 | seedBytes[7]) & 0x3fff;
+    }
+  } // UUID timestamps are 100 nano-second units since the Gregorian epoch,
+  // (1582-10-15 00:00).  JSNumbers aren't precise enough for this, so
+  // time is handled internally as 'msecs' (integer milliseconds) and 'nsecs'
+  // (100-nanoseconds offset from msecs) since unix epoch, 1970-01-01 00:00.
+
+
+  let msecs = options.msecs !== undefined ? options.msecs : Date.now(); // Per 4.2.1.2, use count of uuid's generated during the current clock
+  // cycle to simulate higher resolution clock
+
+  let nsecs = options.nsecs !== undefined ? options.nsecs : _lastNSecs + 1; // Time since last uuid creation (in msecs)
+
+  const dt = msecs - _lastMSecs + (nsecs - _lastNSecs) / 10000; // Per 4.2.1.2, Bump clockseq on clock regression
+
+  if (dt < 0 && options.clockseq === undefined) {
+    clockseq = clockseq + 1 & 0x3fff;
+  } // Reset nsecs if clock regresses (new clockseq) or we've moved onto a new
+  // time interval
+
+
+  if ((dt < 0 || msecs > _lastMSecs) && options.nsecs === undefined) {
+    nsecs = 0;
+  } // Per 4.2.1.2 Throw error if too many uuids are requested
+
+
+  if (nsecs >= 10000) {
+    throw new Error("uuid.v1(): Can't create more than 10M uuids/sec");
+  }
+
+  _lastMSecs = msecs;
+  _lastNSecs = nsecs;
+  _clockseq = clockseq; // Per 4.1.4 - Convert from unix epoch to Gregorian epoch
+
+  msecs += 12219292800000; // `time_low`
+
+  const tl = ((msecs & 0xfffffff) * 10000 + nsecs) % 0x100000000;
+  b[i++] = tl >>> 24 & 0xff;
+  b[i++] = tl >>> 16 & 0xff;
+  b[i++] = tl >>> 8 & 0xff;
+  b[i++] = tl & 0xff; // `time_mid`
+
+  const tmh = msecs / 0x100000000 * 10000 & 0xfffffff;
+  b[i++] = tmh >>> 8 & 0xff;
+  b[i++] = tmh & 0xff; // `time_high_and_version`
+
+  b[i++] = tmh >>> 24 & 0xf | 0x10; // include version
+
+  b[i++] = tmh >>> 16 & 0xff; // `clock_seq_hi_and_reserved` (Per 4.2.2 - include variant)
+
+  b[i++] = clockseq >>> 8 | 0x80; // `clock_seq_low`
+
+  b[i++] = clockseq & 0xff; // `node`
+
+  for (let n = 0; n < 6; ++n) {
+    b[i + n] = node[n];
+  }
+
+  return buf || unsafeStringify(b);
+}
+
+export default v1;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/esm-browser/v3.js b/includes/external/signal/node_modules/uuid/dist/esm-browser/v3.js
new file mode 100644
index 0000000..09063b8
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/esm-browser/v3.js
@@ -0,0 +1,4 @@
+import v35 from './v35.js';
+import md5 from './md5.js';
+const v3 = v35('v3', 0x30, md5);
+export default v3;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/esm-browser/v35.js b/includes/external/signal/node_modules/uuid/dist/esm-browser/v35.js
new file mode 100644
index 0000000..3355e1f
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/esm-browser/v35.js
@@ -0,0 +1,66 @@
+import { unsafeStringify } from './stringify.js';
+import parse from './parse.js';
+
+function stringToBytes(str) {
+  str = unescape(encodeURIComponent(str)); // UTF8 escape
+
+  const bytes = [];
+
+  for (let i = 0; i < str.length; ++i) {
+    bytes.push(str.charCodeAt(i));
+  }
+
+  return bytes;
+}
+
+export const DNS = '6ba7b810-9dad-11d1-80b4-00c04fd430c8';
+export const URL = '6ba7b811-9dad-11d1-80b4-00c04fd430c8';
+export default function v35(name, version, hashfunc) {
+  function generateUUID(value, namespace, buf, offset) {
+    var _namespace;
+
+    if (typeof value === 'string') {
+      value = stringToBytes(value);
+    }
+
+    if (typeof namespace === 'string') {
+      namespace = parse(namespace);
+    }
+
+    if (((_namespace = namespace) === null || _namespace === void 0 ? void 0 : _namespace.length) !== 16) {
+      throw TypeError('Namespace must be array-like (16 iterable integer values, 0-255)');
+    } // Compute hash of namespace and value, Per 4.3
+    // Future: Use spread syntax when supported on all platforms, e.g. `bytes =
+    // hashfunc([...namespace, ... value])`
+
+
+    let bytes = new Uint8Array(16 + value.length);
+    bytes.set(namespace);
+    bytes.set(value, namespace.length);
+    bytes = hashfunc(bytes);
+    bytes[6] = bytes[6] & 0x0f | version;
+    bytes[8] = bytes[8] & 0x3f | 0x80;
+
+    if (buf) {
+      offset = offset || 0;
+
+      for (let i = 0; i < 16; ++i) {
+        buf[offset + i] = bytes[i];
+      }
+
+      return buf;
+    }
+
+    return unsafeStringify(bytes);
+  } // Function#name is not settable on some platforms (#270)
+
+
+  try {
+    generateUUID.name = name; // eslint-disable-next-line no-empty
+  } catch (err) {} // For CommonJS default export support
+
+
+  generateUUID.DNS = DNS;
+  generateUUID.URL = URL;
+  return generateUUID;
+}
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/esm-browser/v4.js b/includes/external/signal/node_modules/uuid/dist/esm-browser/v4.js
new file mode 100644
index 0000000..95ea879
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/esm-browser/v4.js
@@ -0,0 +1,29 @@
+import native from './native.js';
+import rng from './rng.js';
+import { unsafeStringify } from './stringify.js';
+
+function v4(options, buf, offset) {
+  if (native.randomUUID && !buf && !options) {
+    return native.randomUUID();
+  }
+
+  options = options || {};
+  const rnds = options.random || (options.rng || rng)(); // Per 4.4, set bits for version and `clock_seq_hi_and_reserved`
+
+  rnds[6] = rnds[6] & 0x0f | 0x40;
+  rnds[8] = rnds[8] & 0x3f | 0x80; // Copy bytes to buffer, if provided
+
+  if (buf) {
+    offset = offset || 0;
+
+    for (let i = 0; i < 16; ++i) {
+      buf[offset + i] = rnds[i];
+    }
+
+    return buf;
+  }
+
+  return unsafeStringify(rnds);
+}
+
+export default v4;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/esm-browser/v5.js b/includes/external/signal/node_modules/uuid/dist/esm-browser/v5.js
new file mode 100644
index 0000000..e87fe31
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/esm-browser/v5.js
@@ -0,0 +1,4 @@
+import v35 from './v35.js';
+import sha1 from './sha1.js';
+const v5 = v35('v5', 0x50, sha1);
+export default v5;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/esm-browser/validate.js b/includes/external/signal/node_modules/uuid/dist/esm-browser/validate.js
new file mode 100644
index 0000000..f1cdc7a
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/esm-browser/validate.js
@@ -0,0 +1,7 @@
+import REGEX from './regex.js';
+
+function validate(uuid) {
+  return typeof uuid === 'string' && REGEX.test(uuid);
+}
+
+export default validate;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/esm-browser/version.js b/includes/external/signal/node_modules/uuid/dist/esm-browser/version.js
new file mode 100644
index 0000000..9363076
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/esm-browser/version.js
@@ -0,0 +1,11 @@
+import validate from './validate.js';
+
+function version(uuid) {
+  if (!validate(uuid)) {
+    throw TypeError('Invalid UUID');
+  }
+
+  return parseInt(uuid.slice(14, 15), 16);
+}
+
+export default version;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/esm-node/index.js b/includes/external/signal/node_modules/uuid/dist/esm-node/index.js
new file mode 100644
index 0000000..1db6f6d
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/esm-node/index.js
@@ -0,0 +1,9 @@
+export { default as v1 } from './v1.js';
+export { default as v3 } from './v3.js';
+export { default as v4 } from './v4.js';
+export { default as v5 } from './v5.js';
+export { default as NIL } from './nil.js';
+export { default as version } from './version.js';
+export { default as validate } from './validate.js';
+export { default as stringify } from './stringify.js';
+export { default as parse } from './parse.js';
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/esm-node/md5.js b/includes/external/signal/node_modules/uuid/dist/esm-node/md5.js
new file mode 100644
index 0000000..4d68b04
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/esm-node/md5.js
@@ -0,0 +1,13 @@
+import crypto from 'crypto';
+
+function md5(bytes) {
+  if (Array.isArray(bytes)) {
+    bytes = Buffer.from(bytes);
+  } else if (typeof bytes === 'string') {
+    bytes = Buffer.from(bytes, 'utf8');
+  }
+
+  return crypto.createHash('md5').update(bytes).digest();
+}
+
+export default md5;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/esm-node/native.js b/includes/external/signal/node_modules/uuid/dist/esm-node/native.js
new file mode 100644
index 0000000..f0d1992
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/esm-node/native.js
@@ -0,0 +1,4 @@
+import crypto from 'crypto';
+export default {
+  randomUUID: crypto.randomUUID
+};
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/esm-node/nil.js b/includes/external/signal/node_modules/uuid/dist/esm-node/nil.js
new file mode 100644
index 0000000..b36324c
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/esm-node/nil.js
@@ -0,0 +1 @@
+export default '00000000-0000-0000-0000-000000000000';
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/esm-node/parse.js b/includes/external/signal/node_modules/uuid/dist/esm-node/parse.js
new file mode 100644
index 0000000..6421c5d
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/esm-node/parse.js
@@ -0,0 +1,35 @@
+import validate from './validate.js';
+
+function parse(uuid) {
+  if (!validate(uuid)) {
+    throw TypeError('Invalid UUID');
+  }
+
+  let v;
+  const arr = new Uint8Array(16); // Parse ########-....-....-....-............
+
+  arr[0] = (v = parseInt(uuid.slice(0, 8), 16)) >>> 24;
+  arr[1] = v >>> 16 & 0xff;
+  arr[2] = v >>> 8 & 0xff;
+  arr[3] = v & 0xff; // Parse ........-####-....-....-............
+
+  arr[4] = (v = parseInt(uuid.slice(9, 13), 16)) >>> 8;
+  arr[5] = v & 0xff; // Parse ........-....-####-....-............
+
+  arr[6] = (v = parseInt(uuid.slice(14, 18), 16)) >>> 8;
+  arr[7] = v & 0xff; // Parse ........-....-....-####-............
+
+  arr[8] = (v = parseInt(uuid.slice(19, 23), 16)) >>> 8;
+  arr[9] = v & 0xff; // Parse ........-....-....-....-############
+  // (Use "/" to avoid 32-bit truncation when bit-shifting high-order bytes)
+
+  arr[10] = (v = parseInt(uuid.slice(24, 36), 16)) / 0x10000000000 & 0xff;
+  arr[11] = v / 0x100000000 & 0xff;
+  arr[12] = v >>> 24 & 0xff;
+  arr[13] = v >>> 16 & 0xff;
+  arr[14] = v >>> 8 & 0xff;
+  arr[15] = v & 0xff;
+  return arr;
+}
+
+export default parse;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/esm-node/regex.js b/includes/external/signal/node_modules/uuid/dist/esm-node/regex.js
new file mode 100644
index 0000000..3da8673
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/esm-node/regex.js
@@ -0,0 +1 @@
+export default /^(?:[0-9a-f]{8}-[0-9a-f]{4}-[1-5][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}|00000000-0000-0000-0000-000000000000)$/i;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/esm-node/rng.js b/includes/external/signal/node_modules/uuid/dist/esm-node/rng.js
new file mode 100644
index 0000000..8006244
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/esm-node/rng.js
@@ -0,0 +1,12 @@
+import crypto from 'crypto';
+const rnds8Pool = new Uint8Array(256); // # of random values to pre-allocate
+
+let poolPtr = rnds8Pool.length;
+export default function rng() {
+  if (poolPtr > rnds8Pool.length - 16) {
+    crypto.randomFillSync(rnds8Pool);
+    poolPtr = 0;
+  }
+
+  return rnds8Pool.slice(poolPtr, poolPtr += 16);
+}
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/esm-node/sha1.js b/includes/external/signal/node_modules/uuid/dist/esm-node/sha1.js
new file mode 100644
index 0000000..e23850b
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/esm-node/sha1.js
@@ -0,0 +1,13 @@
+import crypto from 'crypto';
+
+function sha1(bytes) {
+  if (Array.isArray(bytes)) {
+    bytes = Buffer.from(bytes);
+  } else if (typeof bytes === 'string') {
+    bytes = Buffer.from(bytes, 'utf8');
+  }
+
+  return crypto.createHash('sha1').update(bytes).digest();
+}
+
+export default sha1;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/esm-node/stringify.js b/includes/external/signal/node_modules/uuid/dist/esm-node/stringify.js
new file mode 100644
index 0000000..80fac8a
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/esm-node/stringify.js
@@ -0,0 +1,33 @@
+import validate from './validate.js';
+/**
+ * Convert array of 16 byte values to UUID string format of the form:
+ * XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX
+ */
+
+const byteToHex = [];
+
+for (let i = 0; i < 256; ++i) {
+  byteToHex.push((i + 0x100).toString(16).slice(1));
+}
+
+export function unsafeStringify(arr, offset = 0) {
+  // Note: Be careful editing this code!  It's been tuned for performance
+  // and works in ways you may not expect. See https://github.com/uuidjs/uuid/pull/434
+  return (byteToHex[arr[offset + 0]] + byteToHex[arr[offset + 1]] + byteToHex[arr[offset + 2]] + byteToHex[arr[offset + 3]] + '-' + byteToHex[arr[offset + 4]] + byteToHex[arr[offset + 5]] + '-' + byteToHex[arr[offset + 6]] + byteToHex[arr[offset + 7]] + '-' + byteToHex[arr[offset + 8]] + byteToHex[arr[offset + 9]] + '-' + byteToHex[arr[offset + 10]] + byteToHex[arr[offset + 11]] + byteToHex[arr[offset + 12]] + byteToHex[arr[offset + 13]] + byteToHex[arr[offset + 14]] + byteToHex[arr[offset + 15]]).toLowerCase();
+}
+
+function stringify(arr, offset = 0) {
+  const uuid = unsafeStringify(arr, offset); // Consistency check for valid UUID.  If this throws, it's likely due to one
+  // of the following:
+  // - One or more input array values don't map to a hex octet (leading to
+  // "undefined" in the uuid)
+  // - Invalid input values for the RFC `version` or `variant` fields
+
+  if (!validate(uuid)) {
+    throw TypeError('Stringified UUID is invalid');
+  }
+
+  return uuid;
+}
+
+export default stringify;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/esm-node/v1.js b/includes/external/signal/node_modules/uuid/dist/esm-node/v1.js
new file mode 100644
index 0000000..382e5d7
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/esm-node/v1.js
@@ -0,0 +1,95 @@
+import rng from './rng.js';
+import { unsafeStringify } from './stringify.js'; // **`v1()` - Generate time-based UUID**
+//
+// Inspired by https://github.com/LiosK/UUID.js
+// and http://docs.python.org/library/uuid.html
+
+let _nodeId;
+
+let _clockseq; // Previous uuid creation time
+
+
+let _lastMSecs = 0;
+let _lastNSecs = 0; // See https://github.com/uuidjs/uuid for API details
+
+function v1(options, buf, offset) {
+  let i = buf && offset || 0;
+  const b = buf || new Array(16);
+  options = options || {};
+  let node = options.node || _nodeId;
+  let clockseq = options.clockseq !== undefined ? options.clockseq : _clockseq; // node and clockseq need to be initialized to random values if they're not
+  // specified.  We do this lazily to minimize issues related to insufficient
+  // system entropy.  See #189
+
+  if (node == null || clockseq == null) {
+    const seedBytes = options.random || (options.rng || rng)();
+
+    if (node == null) {
+      // Per 4.5, create and 48-bit node id, (47 random bits + multicast bit = 1)
+      node = _nodeId = [seedBytes[0] | 0x01, seedBytes[1], seedBytes[2], seedBytes[3], seedBytes[4], seedBytes[5]];
+    }
+
+    if (clockseq == null) {
+      // Per 4.2.2, randomize (14 bit) clockseq
+      clockseq = _clockseq = (seedBytes[6] << 8 | seedBytes[7]) & 0x3fff;
+    }
+  } // UUID timestamps are 100 nano-second units since the Gregorian epoch,
+  // (1582-10-15 00:00).  JSNumbers aren't precise enough for this, so
+  // time is handled internally as 'msecs' (integer milliseconds) and 'nsecs'
+  // (100-nanoseconds offset from msecs) since unix epoch, 1970-01-01 00:00.
+
+
+  let msecs = options.msecs !== undefined ? options.msecs : Date.now(); // Per 4.2.1.2, use count of uuid's generated during the current clock
+  // cycle to simulate higher resolution clock
+
+  let nsecs = options.nsecs !== undefined ? options.nsecs : _lastNSecs + 1; // Time since last uuid creation (in msecs)
+
+  const dt = msecs - _lastMSecs + (nsecs - _lastNSecs) / 10000; // Per 4.2.1.2, Bump clockseq on clock regression
+
+  if (dt < 0 && options.clockseq === undefined) {
+    clockseq = clockseq + 1 & 0x3fff;
+  } // Reset nsecs if clock regresses (new clockseq) or we've moved onto a new
+  // time interval
+
+
+  if ((dt < 0 || msecs > _lastMSecs) && options.nsecs === undefined) {
+    nsecs = 0;
+  } // Per 4.2.1.2 Throw error if too many uuids are requested
+
+
+  if (nsecs >= 10000) {
+    throw new Error("uuid.v1(): Can't create more than 10M uuids/sec");
+  }
+
+  _lastMSecs = msecs;
+  _lastNSecs = nsecs;
+  _clockseq = clockseq; // Per 4.1.4 - Convert from unix epoch to Gregorian epoch
+
+  msecs += 12219292800000; // `time_low`
+
+  const tl = ((msecs & 0xfffffff) * 10000 + nsecs) % 0x100000000;
+  b[i++] = tl >>> 24 & 0xff;
+  b[i++] = tl >>> 16 & 0xff;
+  b[i++] = tl >>> 8 & 0xff;
+  b[i++] = tl & 0xff; // `time_mid`
+
+  const tmh = msecs / 0x100000000 * 10000 & 0xfffffff;
+  b[i++] = tmh >>> 8 & 0xff;
+  b[i++] = tmh & 0xff; // `time_high_and_version`
+
+  b[i++] = tmh >>> 24 & 0xf | 0x10; // include version
+
+  b[i++] = tmh >>> 16 & 0xff; // `clock_seq_hi_and_reserved` (Per 4.2.2 - include variant)
+
+  b[i++] = clockseq >>> 8 | 0x80; // `clock_seq_low`
+
+  b[i++] = clockseq & 0xff; // `node`
+
+  for (let n = 0; n < 6; ++n) {
+    b[i + n] = node[n];
+  }
+
+  return buf || unsafeStringify(b);
+}
+
+export default v1;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/esm-node/v3.js b/includes/external/signal/node_modules/uuid/dist/esm-node/v3.js
new file mode 100644
index 0000000..09063b8
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/esm-node/v3.js
@@ -0,0 +1,4 @@
+import v35 from './v35.js';
+import md5 from './md5.js';
+const v3 = v35('v3', 0x30, md5);
+export default v3;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/esm-node/v35.js b/includes/external/signal/node_modules/uuid/dist/esm-node/v35.js
new file mode 100644
index 0000000..3355e1f
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/esm-node/v35.js
@@ -0,0 +1,66 @@
+import { unsafeStringify } from './stringify.js';
+import parse from './parse.js';
+
+function stringToBytes(str) {
+  str = unescape(encodeURIComponent(str)); // UTF8 escape
+
+  const bytes = [];
+
+  for (let i = 0; i < str.length; ++i) {
+    bytes.push(str.charCodeAt(i));
+  }
+
+  return bytes;
+}
+
+export const DNS = '6ba7b810-9dad-11d1-80b4-00c04fd430c8';
+export const URL = '6ba7b811-9dad-11d1-80b4-00c04fd430c8';
+export default function v35(name, version, hashfunc) {
+  function generateUUID(value, namespace, buf, offset) {
+    var _namespace;
+
+    if (typeof value === 'string') {
+      value = stringToBytes(value);
+    }
+
+    if (typeof namespace === 'string') {
+      namespace = parse(namespace);
+    }
+
+    if (((_namespace = namespace) === null || _namespace === void 0 ? void 0 : _namespace.length) !== 16) {
+      throw TypeError('Namespace must be array-like (16 iterable integer values, 0-255)');
+    } // Compute hash of namespace and value, Per 4.3
+    // Future: Use spread syntax when supported on all platforms, e.g. `bytes =
+    // hashfunc([...namespace, ... value])`
+
+
+    let bytes = new Uint8Array(16 + value.length);
+    bytes.set(namespace);
+    bytes.set(value, namespace.length);
+    bytes = hashfunc(bytes);
+    bytes[6] = bytes[6] & 0x0f | version;
+    bytes[8] = bytes[8] & 0x3f | 0x80;
+
+    if (buf) {
+      offset = offset || 0;
+
+      for (let i = 0; i < 16; ++i) {
+        buf[offset + i] = bytes[i];
+      }
+
+      return buf;
+    }
+
+    return unsafeStringify(bytes);
+  } // Function#name is not settable on some platforms (#270)
+
+
+  try {
+    generateUUID.name = name; // eslint-disable-next-line no-empty
+  } catch (err) {} // For CommonJS default export support
+
+
+  generateUUID.DNS = DNS;
+  generateUUID.URL = URL;
+  return generateUUID;
+}
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/esm-node/v4.js b/includes/external/signal/node_modules/uuid/dist/esm-node/v4.js
new file mode 100644
index 0000000..95ea879
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/esm-node/v4.js
@@ -0,0 +1,29 @@
+import native from './native.js';
+import rng from './rng.js';
+import { unsafeStringify } from './stringify.js';
+
+function v4(options, buf, offset) {
+  if (native.randomUUID && !buf && !options) {
+    return native.randomUUID();
+  }
+
+  options = options || {};
+  const rnds = options.random || (options.rng || rng)(); // Per 4.4, set bits for version and `clock_seq_hi_and_reserved`
+
+  rnds[6] = rnds[6] & 0x0f | 0x40;
+  rnds[8] = rnds[8] & 0x3f | 0x80; // Copy bytes to buffer, if provided
+
+  if (buf) {
+    offset = offset || 0;
+
+    for (let i = 0; i < 16; ++i) {
+      buf[offset + i] = rnds[i];
+    }
+
+    return buf;
+  }
+
+  return unsafeStringify(rnds);
+}
+
+export default v4;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/esm-node/v5.js b/includes/external/signal/node_modules/uuid/dist/esm-node/v5.js
new file mode 100644
index 0000000..e87fe31
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/esm-node/v5.js
@@ -0,0 +1,4 @@
+import v35 from './v35.js';
+import sha1 from './sha1.js';
+const v5 = v35('v5', 0x50, sha1);
+export default v5;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/esm-node/validate.js b/includes/external/signal/node_modules/uuid/dist/esm-node/validate.js
new file mode 100644
index 0000000..f1cdc7a
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/esm-node/validate.js
@@ -0,0 +1,7 @@
+import REGEX from './regex.js';
+
+function validate(uuid) {
+  return typeof uuid === 'string' && REGEX.test(uuid);
+}
+
+export default validate;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/esm-node/version.js b/includes/external/signal/node_modules/uuid/dist/esm-node/version.js
new file mode 100644
index 0000000..9363076
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/esm-node/version.js
@@ -0,0 +1,11 @@
+import validate from './validate.js';
+
+function version(uuid) {
+  if (!validate(uuid)) {
+    throw TypeError('Invalid UUID');
+  }
+
+  return parseInt(uuid.slice(14, 15), 16);
+}
+
+export default version;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/index.js b/includes/external/signal/node_modules/uuid/dist/index.js
new file mode 100644
index 0000000..88d676a
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/index.js
@@ -0,0 +1,79 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+Object.defineProperty(exports, "NIL", {
+  enumerable: true,
+  get: function () {
+    return _nil.default;
+  }
+});
+Object.defineProperty(exports, "parse", {
+  enumerable: true,
+  get: function () {
+    return _parse.default;
+  }
+});
+Object.defineProperty(exports, "stringify", {
+  enumerable: true,
+  get: function () {
+    return _stringify.default;
+  }
+});
+Object.defineProperty(exports, "v1", {
+  enumerable: true,
+  get: function () {
+    return _v.default;
+  }
+});
+Object.defineProperty(exports, "v3", {
+  enumerable: true,
+  get: function () {
+    return _v2.default;
+  }
+});
+Object.defineProperty(exports, "v4", {
+  enumerable: true,
+  get: function () {
+    return _v3.default;
+  }
+});
+Object.defineProperty(exports, "v5", {
+  enumerable: true,
+  get: function () {
+    return _v4.default;
+  }
+});
+Object.defineProperty(exports, "validate", {
+  enumerable: true,
+  get: function () {
+    return _validate.default;
+  }
+});
+Object.defineProperty(exports, "version", {
+  enumerable: true,
+  get: function () {
+    return _version.default;
+  }
+});
+
+var _v = _interopRequireDefault(require("./v1.js"));
+
+var _v2 = _interopRequireDefault(require("./v3.js"));
+
+var _v3 = _interopRequireDefault(require("./v4.js"));
+
+var _v4 = _interopRequireDefault(require("./v5.js"));
+
+var _nil = _interopRequireDefault(require("./nil.js"));
+
+var _version = _interopRequireDefault(require("./version.js"));
+
+var _validate = _interopRequireDefault(require("./validate.js"));
+
+var _stringify = _interopRequireDefault(require("./stringify.js"));
+
+var _parse = _interopRequireDefault(require("./parse.js"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/md5-browser.js b/includes/external/signal/node_modules/uuid/dist/md5-browser.js
new file mode 100644
index 0000000..7a4582a
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/md5-browser.js
@@ -0,0 +1,223 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+/*
+ * Browser-compatible JavaScript MD5
+ *
+ * Modification of JavaScript MD5
+ * https://github.com/blueimp/JavaScript-MD5
+ *
+ * Copyright 2011, Sebastian Tschan
+ * https://blueimp.net
+ *
+ * Licensed under the MIT license:
+ * https://opensource.org/licenses/MIT
+ *
+ * Based on
+ * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
+ * Digest Algorithm, as defined in RFC 1321.
+ * Version 2.2 Copyright (C) Paul Johnston 1999 - 2009
+ * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
+ * Distributed under the BSD License
+ * See http://pajhome.org.uk/crypt/md5 for more info.
+ */
+function md5(bytes) {
+  if (typeof bytes === 'string') {
+    const msg = unescape(encodeURIComponent(bytes)); // UTF8 escape
+
+    bytes = new Uint8Array(msg.length);
+
+    for (let i = 0; i < msg.length; ++i) {
+      bytes[i] = msg.charCodeAt(i);
+    }
+  }
+
+  return md5ToHexEncodedArray(wordsToMd5(bytesToWords(bytes), bytes.length * 8));
+}
+/*
+ * Convert an array of little-endian words to an array of bytes
+ */
+
+
+function md5ToHexEncodedArray(input) {
+  const output = [];
+  const length32 = input.length * 32;
+  const hexTab = '0123456789abcdef';
+
+  for (let i = 0; i < length32; i += 8) {
+    const x = input[i >> 5] >>> i % 32 & 0xff;
+    const hex = parseInt(hexTab.charAt(x >>> 4 & 0x0f) + hexTab.charAt(x & 0x0f), 16);
+    output.push(hex);
+  }
+
+  return output;
+}
+/**
+ * Calculate output length with padding and bit length
+ */
+
+
+function getOutputLength(inputLength8) {
+  return (inputLength8 + 64 >>> 9 << 4) + 14 + 1;
+}
+/*
+ * Calculate the MD5 of an array of little-endian words, and a bit length.
+ */
+
+
+function wordsToMd5(x, len) {
+  /* append padding */
+  x[len >> 5] |= 0x80 << len % 32;
+  x[getOutputLength(len) - 1] = len;
+  let a = 1732584193;
+  let b = -271733879;
+  let c = -1732584194;
+  let d = 271733878;
+
+  for (let i = 0; i < x.length; i += 16) {
+    const olda = a;
+    const oldb = b;
+    const oldc = c;
+    const oldd = d;
+    a = md5ff(a, b, c, d, x[i], 7, -680876936);
+    d = md5ff(d, a, b, c, x[i + 1], 12, -389564586);
+    c = md5ff(c, d, a, b, x[i + 2], 17, 606105819);
+    b = md5ff(b, c, d, a, x[i + 3], 22, -1044525330);
+    a = md5ff(a, b, c, d, x[i + 4], 7, -176418897);
+    d = md5ff(d, a, b, c, x[i + 5], 12, 1200080426);
+    c = md5ff(c, d, a, b, x[i + 6], 17, -1473231341);
+    b = md5ff(b, c, d, a, x[i + 7], 22, -45705983);
+    a = md5ff(a, b, c, d, x[i + 8], 7, 1770035416);
+    d = md5ff(d, a, b, c, x[i + 9], 12, -1958414417);
+    c = md5ff(c, d, a, b, x[i + 10], 17, -42063);
+    b = md5ff(b, c, d, a, x[i + 11], 22, -1990404162);
+    a = md5ff(a, b, c, d, x[i + 12], 7, 1804603682);
+    d = md5ff(d, a, b, c, x[i + 13], 12, -40341101);
+    c = md5ff(c, d, a, b, x[i + 14], 17, -1502002290);
+    b = md5ff(b, c, d, a, x[i + 15], 22, 1236535329);
+    a = md5gg(a, b, c, d, x[i + 1], 5, -165796510);
+    d = md5gg(d, a, b, c, x[i + 6], 9, -1069501632);
+    c = md5gg(c, d, a, b, x[i + 11], 14, 643717713);
+    b = md5gg(b, c, d, a, x[i], 20, -373897302);
+    a = md5gg(a, b, c, d, x[i + 5], 5, -701558691);
+    d = md5gg(d, a, b, c, x[i + 10], 9, 38016083);
+    c = md5gg(c, d, a, b, x[i + 15], 14, -660478335);
+    b = md5gg(b, c, d, a, x[i + 4], 20, -405537848);
+    a = md5gg(a, b, c, d, x[i + 9], 5, 568446438);
+    d = md5gg(d, a, b, c, x[i + 14], 9, -1019803690);
+    c = md5gg(c, d, a, b, x[i + 3], 14, -187363961);
+    b = md5gg(b, c, d, a, x[i + 8], 20, 1163531501);
+    a = md5gg(a, b, c, d, x[i + 13], 5, -1444681467);
+    d = md5gg(d, a, b, c, x[i + 2], 9, -51403784);
+    c = md5gg(c, d, a, b, x[i + 7], 14, 1735328473);
+    b = md5gg(b, c, d, a, x[i + 12], 20, -1926607734);
+    a = md5hh(a, b, c, d, x[i + 5], 4, -378558);
+    d = md5hh(d, a, b, c, x[i + 8], 11, -2022574463);
+    c = md5hh(c, d, a, b, x[i + 11], 16, 1839030562);
+    b = md5hh(b, c, d, a, x[i + 14], 23, -35309556);
+    a = md5hh(a, b, c, d, x[i + 1], 4, -1530992060);
+    d = md5hh(d, a, b, c, x[i + 4], 11, 1272893353);
+    c = md5hh(c, d, a, b, x[i + 7], 16, -155497632);
+    b = md5hh(b, c, d, a, x[i + 10], 23, -1094730640);
+    a = md5hh(a, b, c, d, x[i + 13], 4, 681279174);
+    d = md5hh(d, a, b, c, x[i], 11, -358537222);
+    c = md5hh(c, d, a, b, x[i + 3], 16, -722521979);
+    b = md5hh(b, c, d, a, x[i + 6], 23, 76029189);
+    a = md5hh(a, b, c, d, x[i + 9], 4, -640364487);
+    d = md5hh(d, a, b, c, x[i + 12], 11, -421815835);
+    c = md5hh(c, d, a, b, x[i + 15], 16, 530742520);
+    b = md5hh(b, c, d, a, x[i + 2], 23, -995338651);
+    a = md5ii(a, b, c, d, x[i], 6, -198630844);
+    d = md5ii(d, a, b, c, x[i + 7], 10, 1126891415);
+    c = md5ii(c, d, a, b, x[i + 14], 15, -1416354905);
+    b = md5ii(b, c, d, a, x[i + 5], 21, -57434055);
+    a = md5ii(a, b, c, d, x[i + 12], 6, 1700485571);
+    d = md5ii(d, a, b, c, x[i + 3], 10, -1894986606);
+    c = md5ii(c, d, a, b, x[i + 10], 15, -1051523);
+    b = md5ii(b, c, d, a, x[i + 1], 21, -2054922799);
+    a = md5ii(a, b, c, d, x[i + 8], 6, 1873313359);
+    d = md5ii(d, a, b, c, x[i + 15], 10, -30611744);
+    c = md5ii(c, d, a, b, x[i + 6], 15, -1560198380);
+    b = md5ii(b, c, d, a, x[i + 13], 21, 1309151649);
+    a = md5ii(a, b, c, d, x[i + 4], 6, -145523070);
+    d = md5ii(d, a, b, c, x[i + 11], 10, -1120210379);
+    c = md5ii(c, d, a, b, x[i + 2], 15, 718787259);
+    b = md5ii(b, c, d, a, x[i + 9], 21, -343485551);
+    a = safeAdd(a, olda);
+    b = safeAdd(b, oldb);
+    c = safeAdd(c, oldc);
+    d = safeAdd(d, oldd);
+  }
+
+  return [a, b, c, d];
+}
+/*
+ * Convert an array bytes to an array of little-endian words
+ * Characters >255 have their high-byte silently ignored.
+ */
+
+
+function bytesToWords(input) {
+  if (input.length === 0) {
+    return [];
+  }
+
+  const length8 = input.length * 8;
+  const output = new Uint32Array(getOutputLength(length8));
+
+  for (let i = 0; i < length8; i += 8) {
+    output[i >> 5] |= (input[i / 8] & 0xff) << i % 32;
+  }
+
+  return output;
+}
+/*
+ * Add integers, wrapping at 2^32. This uses 16-bit operations internally
+ * to work around bugs in some JS interpreters.
+ */
+
+
+function safeAdd(x, y) {
+  const lsw = (x & 0xffff) + (y & 0xffff);
+  const msw = (x >> 16) + (y >> 16) + (lsw >> 16);
+  return msw << 16 | lsw & 0xffff;
+}
+/*
+ * Bitwise rotate a 32-bit number to the left.
+ */
+
+
+function bitRotateLeft(num, cnt) {
+  return num << cnt | num >>> 32 - cnt;
+}
+/*
+ * These functions implement the four basic operations the algorithm uses.
+ */
+
+
+function md5cmn(q, a, b, x, s, t) {
+  return safeAdd(bitRotateLeft(safeAdd(safeAdd(a, q), safeAdd(x, t)), s), b);
+}
+
+function md5ff(a, b, c, d, x, s, t) {
+  return md5cmn(b & c | ~b & d, a, b, x, s, t);
+}
+
+function md5gg(a, b, c, d, x, s, t) {
+  return md5cmn(b & d | c & ~d, a, b, x, s, t);
+}
+
+function md5hh(a, b, c, d, x, s, t) {
+  return md5cmn(b ^ c ^ d, a, b, x, s, t);
+}
+
+function md5ii(a, b, c, d, x, s, t) {
+  return md5cmn(c ^ (b | ~d), a, b, x, s, t);
+}
+
+var _default = md5;
+exports.default = _default;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/md5.js b/includes/external/signal/node_modules/uuid/dist/md5.js
new file mode 100644
index 0000000..824d481
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/md5.js
@@ -0,0 +1,23 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+var _crypto = _interopRequireDefault(require("crypto"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function md5(bytes) {
+  if (Array.isArray(bytes)) {
+    bytes = Buffer.from(bytes);
+  } else if (typeof bytes === 'string') {
+    bytes = Buffer.from(bytes, 'utf8');
+  }
+
+  return _crypto.default.createHash('md5').update(bytes).digest();
+}
+
+var _default = md5;
+exports.default = _default;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/native-browser.js b/includes/external/signal/node_modules/uuid/dist/native-browser.js
new file mode 100644
index 0000000..c2eea59
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/native-browser.js
@@ -0,0 +1,11 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+const randomUUID = typeof crypto !== 'undefined' && crypto.randomUUID && crypto.randomUUID.bind(crypto);
+var _default = {
+  randomUUID
+};
+exports.default = _default;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/native.js b/includes/external/signal/node_modules/uuid/dist/native.js
new file mode 100644
index 0000000..de80469
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/native.js
@@ -0,0 +1,15 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+var _crypto = _interopRequireDefault(require("crypto"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var _default = {
+  randomUUID: _crypto.default.randomUUID
+};
+exports.default = _default;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/nil.js b/includes/external/signal/node_modules/uuid/dist/nil.js
new file mode 100644
index 0000000..7ade577
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/nil.js
@@ -0,0 +1,8 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+var _default = '00000000-0000-0000-0000-000000000000';
+exports.default = _default;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/parse.js b/includes/external/signal/node_modules/uuid/dist/parse.js
new file mode 100644
index 0000000..4c69fc3
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/parse.js
@@ -0,0 +1,45 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+var _validate = _interopRequireDefault(require("./validate.js"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function parse(uuid) {
+  if (!(0, _validate.default)(uuid)) {
+    throw TypeError('Invalid UUID');
+  }
+
+  let v;
+  const arr = new Uint8Array(16); // Parse ########-....-....-....-............
+
+  arr[0] = (v = parseInt(uuid.slice(0, 8), 16)) >>> 24;
+  arr[1] = v >>> 16 & 0xff;
+  arr[2] = v >>> 8 & 0xff;
+  arr[3] = v & 0xff; // Parse ........-####-....-....-............
+
+  arr[4] = (v = parseInt(uuid.slice(9, 13), 16)) >>> 8;
+  arr[5] = v & 0xff; // Parse ........-....-####-....-............
+
+  arr[6] = (v = parseInt(uuid.slice(14, 18), 16)) >>> 8;
+  arr[7] = v & 0xff; // Parse ........-....-....-####-............
+
+  arr[8] = (v = parseInt(uuid.slice(19, 23), 16)) >>> 8;
+  arr[9] = v & 0xff; // Parse ........-....-....-....-############
+  // (Use "/" to avoid 32-bit truncation when bit-shifting high-order bytes)
+
+  arr[10] = (v = parseInt(uuid.slice(24, 36), 16)) / 0x10000000000 & 0xff;
+  arr[11] = v / 0x100000000 & 0xff;
+  arr[12] = v >>> 24 & 0xff;
+  arr[13] = v >>> 16 & 0xff;
+  arr[14] = v >>> 8 & 0xff;
+  arr[15] = v & 0xff;
+  return arr;
+}
+
+var _default = parse;
+exports.default = _default;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/regex.js b/includes/external/signal/node_modules/uuid/dist/regex.js
new file mode 100644
index 0000000..1ef91d6
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/regex.js
@@ -0,0 +1,8 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+var _default = /^(?:[0-9a-f]{8}-[0-9a-f]{4}-[1-5][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}|00000000-0000-0000-0000-000000000000)$/i;
+exports.default = _default;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/rng-browser.js b/includes/external/signal/node_modules/uuid/dist/rng-browser.js
new file mode 100644
index 0000000..d067cdb
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/rng-browser.js
@@ -0,0 +1,25 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = rng;
+// Unique ID creation requires a high quality random # generator. In the browser we therefore
+// require the crypto API and do not support built-in fallback to lower quality random number
+// generators (like Math.random()).
+let getRandomValues;
+const rnds8 = new Uint8Array(16);
+
+function rng() {
+  // lazy load so that environments that need to polyfill have a chance to do so
+  if (!getRandomValues) {
+    // getRandomValues needs to be invoked in a context where "this" is a Crypto implementation.
+    getRandomValues = typeof crypto !== 'undefined' && crypto.getRandomValues && crypto.getRandomValues.bind(crypto);
+
+    if (!getRandomValues) {
+      throw new Error('crypto.getRandomValues() not supported. See https://github.com/uuidjs/uuid#getrandomvalues-not-supported');
+    }
+  }
+
+  return getRandomValues(rnds8);
+}
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/rng.js b/includes/external/signal/node_modules/uuid/dist/rng.js
new file mode 100644
index 0000000..3507f93
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/rng.js
@@ -0,0 +1,24 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = rng;
+
+var _crypto = _interopRequireDefault(require("crypto"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+const rnds8Pool = new Uint8Array(256); // # of random values to pre-allocate
+
+let poolPtr = rnds8Pool.length;
+
+function rng() {
+  if (poolPtr > rnds8Pool.length - 16) {
+    _crypto.default.randomFillSync(rnds8Pool);
+
+    poolPtr = 0;
+  }
+
+  return rnds8Pool.slice(poolPtr, poolPtr += 16);
+}
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/sha1-browser.js b/includes/external/signal/node_modules/uuid/dist/sha1-browser.js
new file mode 100644
index 0000000..24cbced
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/sha1-browser.js
@@ -0,0 +1,104 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+// Adapted from Chris Veness' SHA1 code at
+// http://www.movable-type.co.uk/scripts/sha1.html
+function f(s, x, y, z) {
+  switch (s) {
+    case 0:
+      return x & y ^ ~x & z;
+
+    case 1:
+      return x ^ y ^ z;
+
+    case 2:
+      return x & y ^ x & z ^ y & z;
+
+    case 3:
+      return x ^ y ^ z;
+  }
+}
+
+function ROTL(x, n) {
+  return x << n | x >>> 32 - n;
+}
+
+function sha1(bytes) {
+  const K = [0x5a827999, 0x6ed9eba1, 0x8f1bbcdc, 0xca62c1d6];
+  const H = [0x67452301, 0xefcdab89, 0x98badcfe, 0x10325476, 0xc3d2e1f0];
+
+  if (typeof bytes === 'string') {
+    const msg = unescape(encodeURIComponent(bytes)); // UTF8 escape
+
+    bytes = [];
+
+    for (let i = 0; i < msg.length; ++i) {
+      bytes.push(msg.charCodeAt(i));
+    }
+  } else if (!Array.isArray(bytes)) {
+    // Convert Array-like to Array
+    bytes = Array.prototype.slice.call(bytes);
+  }
+
+  bytes.push(0x80);
+  const l = bytes.length / 4 + 2;
+  const N = Math.ceil(l / 16);
+  const M = new Array(N);
+
+  for (let i = 0; i < N; ++i) {
+    const arr = new Uint32Array(16);
+
+    for (let j = 0; j < 16; ++j) {
+      arr[j] = bytes[i * 64 + j * 4] << 24 | bytes[i * 64 + j * 4 + 1] << 16 | bytes[i * 64 + j * 4 + 2] << 8 | bytes[i * 64 + j * 4 + 3];
+    }
+
+    M[i] = arr;
+  }
+
+  M[N - 1][14] = (bytes.length - 1) * 8 / Math.pow(2, 32);
+  M[N - 1][14] = Math.floor(M[N - 1][14]);
+  M[N - 1][15] = (bytes.length - 1) * 8 & 0xffffffff;
+
+  for (let i = 0; i < N; ++i) {
+    const W = new Uint32Array(80);
+
+    for (let t = 0; t < 16; ++t) {
+      W[t] = M[i][t];
+    }
+
+    for (let t = 16; t < 80; ++t) {
+      W[t] = ROTL(W[t - 3] ^ W[t - 8] ^ W[t - 14] ^ W[t - 16], 1);
+    }
+
+    let a = H[0];
+    let b = H[1];
+    let c = H[2];
+    let d = H[3];
+    let e = H[4];
+
+    for (let t = 0; t < 80; ++t) {
+      const s = Math.floor(t / 20);
+      const T = ROTL(a, 5) + f(s, b, c, d) + e + K[s] + W[t] >>> 0;
+      e = d;
+      d = c;
+      c = ROTL(b, 30) >>> 0;
+      b = a;
+      a = T;
+    }
+
+    H[0] = H[0] + a >>> 0;
+    H[1] = H[1] + b >>> 0;
+    H[2] = H[2] + c >>> 0;
+    H[3] = H[3] + d >>> 0;
+    H[4] = H[4] + e >>> 0;
+  }
+
+  return [H[0] >> 24 & 0xff, H[0] >> 16 & 0xff, H[0] >> 8 & 0xff, H[0] & 0xff, H[1] >> 24 & 0xff, H[1] >> 16 & 0xff, H[1] >> 8 & 0xff, H[1] & 0xff, H[2] >> 24 & 0xff, H[2] >> 16 & 0xff, H[2] >> 8 & 0xff, H[2] & 0xff, H[3] >> 24 & 0xff, H[3] >> 16 & 0xff, H[3] >> 8 & 0xff, H[3] & 0xff, H[4] >> 24 & 0xff, H[4] >> 16 & 0xff, H[4] >> 8 & 0xff, H[4] & 0xff];
+}
+
+var _default = sha1;
+exports.default = _default;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/sha1.js b/includes/external/signal/node_modules/uuid/dist/sha1.js
new file mode 100644
index 0000000..03bdd63
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/sha1.js
@@ -0,0 +1,23 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+var _crypto = _interopRequireDefault(require("crypto"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function sha1(bytes) {
+  if (Array.isArray(bytes)) {
+    bytes = Buffer.from(bytes);
+  } else if (typeof bytes === 'string') {
+    bytes = Buffer.from(bytes, 'utf8');
+  }
+
+  return _crypto.default.createHash('sha1').update(bytes).digest();
+}
+
+var _default = sha1;
+exports.default = _default;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/stringify.js b/includes/external/signal/node_modules/uuid/dist/stringify.js
new file mode 100644
index 0000000..bdcea1c
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/stringify.js
@@ -0,0 +1,44 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+exports.unsafeStringify = unsafeStringify;
+
+var _validate = _interopRequireDefault(require("./validate.js"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Convert array of 16 byte values to UUID string format of the form:
+ * XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX
+ */
+const byteToHex = [];
+
+for (let i = 0; i < 256; ++i) {
+  byteToHex.push((i + 0x100).toString(16).slice(1));
+}
+
+function unsafeStringify(arr, offset = 0) {
+  // Note: Be careful editing this code!  It's been tuned for performance
+  // and works in ways you may not expect. See https://github.com/uuidjs/uuid/pull/434
+  return (byteToHex[arr[offset + 0]] + byteToHex[arr[offset + 1]] + byteToHex[arr[offset + 2]] + byteToHex[arr[offset + 3]] + '-' + byteToHex[arr[offset + 4]] + byteToHex[arr[offset + 5]] + '-' + byteToHex[arr[offset + 6]] + byteToHex[arr[offset + 7]] + '-' + byteToHex[arr[offset + 8]] + byteToHex[arr[offset + 9]] + '-' + byteToHex[arr[offset + 10]] + byteToHex[arr[offset + 11]] + byteToHex[arr[offset + 12]] + byteToHex[arr[offset + 13]] + byteToHex[arr[offset + 14]] + byteToHex[arr[offset + 15]]).toLowerCase();
+}
+
+function stringify(arr, offset = 0) {
+  const uuid = unsafeStringify(arr, offset); // Consistency check for valid UUID.  If this throws, it's likely due to one
+  // of the following:
+  // - One or more input array values don't map to a hex octet (leading to
+  // "undefined" in the uuid)
+  // - Invalid input values for the RFC `version` or `variant` fields
+
+  if (!(0, _validate.default)(uuid)) {
+    throw TypeError('Stringified UUID is invalid');
+  }
+
+  return uuid;
+}
+
+var _default = stringify;
+exports.default = _default;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/uuid-bin.js b/includes/external/signal/node_modules/uuid/dist/uuid-bin.js
new file mode 100644
index 0000000..50a7a9f
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/uuid-bin.js
@@ -0,0 +1,85 @@
+"use strict";
+
+var _assert = _interopRequireDefault(require("assert"));
+
+var _v = _interopRequireDefault(require("./v1.js"));
+
+var _v2 = _interopRequireDefault(require("./v3.js"));
+
+var _v3 = _interopRequireDefault(require("./v4.js"));
+
+var _v4 = _interopRequireDefault(require("./v5.js"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function usage() {
+  console.log('Usage:');
+  console.log('  uuid');
+  console.log('  uuid v1');
+  console.log('  uuid v3 <name> <namespace uuid>');
+  console.log('  uuid v4');
+  console.log('  uuid v5 <name> <namespace uuid>');
+  console.log('  uuid --help');
+  console.log('\nNote: <namespace uuid> may be "URL" or "DNS" to use the corresponding UUIDs defined by RFC4122');
+}
+
+const args = process.argv.slice(2);
+
+if (args.indexOf('--help') >= 0) {
+  usage();
+  process.exit(0);
+}
+
+const version = args.shift() || 'v4';
+
+switch (version) {
+  case 'v1':
+    console.log((0, _v.default)());
+    break;
+
+  case 'v3':
+    {
+      const name = args.shift();
+      let namespace = args.shift();
+      (0, _assert.default)(name != null, 'v3 name not specified');
+      (0, _assert.default)(namespace != null, 'v3 namespace not specified');
+
+      if (namespace === 'URL') {
+        namespace = _v2.default.URL;
+      }
+
+      if (namespace === 'DNS') {
+        namespace = _v2.default.DNS;
+      }
+
+      console.log((0, _v2.default)(name, namespace));
+      break;
+    }
+
+  case 'v4':
+    console.log((0, _v3.default)());
+    break;
+
+  case 'v5':
+    {
+      const name = args.shift();
+      let namespace = args.shift();
+      (0, _assert.default)(name != null, 'v5 name not specified');
+      (0, _assert.default)(namespace != null, 'v5 namespace not specified');
+
+      if (namespace === 'URL') {
+        namespace = _v4.default.URL;
+      }
+
+      if (namespace === 'DNS') {
+        namespace = _v4.default.DNS;
+      }
+
+      console.log((0, _v4.default)(name, namespace));
+      break;
+    }
+
+  default:
+    usage();
+    process.exit(1);
+}
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/v1.js b/includes/external/signal/node_modules/uuid/dist/v1.js
new file mode 100644
index 0000000..125bc58
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/v1.js
@@ -0,0 +1,107 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+var _rng = _interopRequireDefault(require("./rng.js"));
+
+var _stringify = require("./stringify.js");
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+// **`v1()` - Generate time-based UUID**
+//
+// Inspired by https://github.com/LiosK/UUID.js
+// and http://docs.python.org/library/uuid.html
+let _nodeId;
+
+let _clockseq; // Previous uuid creation time
+
+
+let _lastMSecs = 0;
+let _lastNSecs = 0; // See https://github.com/uuidjs/uuid for API details
+
+function v1(options, buf, offset) {
+  let i = buf && offset || 0;
+  const b = buf || new Array(16);
+  options = options || {};
+  let node = options.node || _nodeId;
+  let clockseq = options.clockseq !== undefined ? options.clockseq : _clockseq; // node and clockseq need to be initialized to random values if they're not
+  // specified.  We do this lazily to minimize issues related to insufficient
+  // system entropy.  See #189
+
+  if (node == null || clockseq == null) {
+    const seedBytes = options.random || (options.rng || _rng.default)();
+
+    if (node == null) {
+      // Per 4.5, create and 48-bit node id, (47 random bits + multicast bit = 1)
+      node = _nodeId = [seedBytes[0] | 0x01, seedBytes[1], seedBytes[2], seedBytes[3], seedBytes[4], seedBytes[5]];
+    }
+
+    if (clockseq == null) {
+      // Per 4.2.2, randomize (14 bit) clockseq
+      clockseq = _clockseq = (seedBytes[6] << 8 | seedBytes[7]) & 0x3fff;
+    }
+  } // UUID timestamps are 100 nano-second units since the Gregorian epoch,
+  // (1582-10-15 00:00).  JSNumbers aren't precise enough for this, so
+  // time is handled internally as 'msecs' (integer milliseconds) and 'nsecs'
+  // (100-nanoseconds offset from msecs) since unix epoch, 1970-01-01 00:00.
+
+
+  let msecs = options.msecs !== undefined ? options.msecs : Date.now(); // Per 4.2.1.2, use count of uuid's generated during the current clock
+  // cycle to simulate higher resolution clock
+
+  let nsecs = options.nsecs !== undefined ? options.nsecs : _lastNSecs + 1; // Time since last uuid creation (in msecs)
+
+  const dt = msecs - _lastMSecs + (nsecs - _lastNSecs) / 10000; // Per 4.2.1.2, Bump clockseq on clock regression
+
+  if (dt < 0 && options.clockseq === undefined) {
+    clockseq = clockseq + 1 & 0x3fff;
+  } // Reset nsecs if clock regresses (new clockseq) or we've moved onto a new
+  // time interval
+
+
+  if ((dt < 0 || msecs > _lastMSecs) && options.nsecs === undefined) {
+    nsecs = 0;
+  } // Per 4.2.1.2 Throw error if too many uuids are requested
+
+
+  if (nsecs >= 10000) {
+    throw new Error("uuid.v1(): Can't create more than 10M uuids/sec");
+  }
+
+  _lastMSecs = msecs;
+  _lastNSecs = nsecs;
+  _clockseq = clockseq; // Per 4.1.4 - Convert from unix epoch to Gregorian epoch
+
+  msecs += 12219292800000; // `time_low`
+
+  const tl = ((msecs & 0xfffffff) * 10000 + nsecs) % 0x100000000;
+  b[i++] = tl >>> 24 & 0xff;
+  b[i++] = tl >>> 16 & 0xff;
+  b[i++] = tl >>> 8 & 0xff;
+  b[i++] = tl & 0xff; // `time_mid`
+
+  const tmh = msecs / 0x100000000 * 10000 & 0xfffffff;
+  b[i++] = tmh >>> 8 & 0xff;
+  b[i++] = tmh & 0xff; // `time_high_and_version`
+
+  b[i++] = tmh >>> 24 & 0xf | 0x10; // include version
+
+  b[i++] = tmh >>> 16 & 0xff; // `clock_seq_hi_and_reserved` (Per 4.2.2 - include variant)
+
+  b[i++] = clockseq >>> 8 | 0x80; // `clock_seq_low`
+
+  b[i++] = clockseq & 0xff; // `node`
+
+  for (let n = 0; n < 6; ++n) {
+    b[i + n] = node[n];
+  }
+
+  return buf || (0, _stringify.unsafeStringify)(b);
+}
+
+var _default = v1;
+exports.default = _default;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/v3.js b/includes/external/signal/node_modules/uuid/dist/v3.js
new file mode 100644
index 0000000..6b47ff5
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/v3.js
@@ -0,0 +1,16 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+var _v = _interopRequireDefault(require("./v35.js"));
+
+var _md = _interopRequireDefault(require("./md5.js"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+const v3 = (0, _v.default)('v3', 0x30, _md.default);
+var _default = v3;
+exports.default = _default;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/v35.js b/includes/external/signal/node_modules/uuid/dist/v35.js
new file mode 100644
index 0000000..7c522d9
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/v35.js
@@ -0,0 +1,80 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.URL = exports.DNS = void 0;
+exports.default = v35;
+
+var _stringify = require("./stringify.js");
+
+var _parse = _interopRequireDefault(require("./parse.js"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function stringToBytes(str) {
+  str = unescape(encodeURIComponent(str)); // UTF8 escape
+
+  const bytes = [];
+
+  for (let i = 0; i < str.length; ++i) {
+    bytes.push(str.charCodeAt(i));
+  }
+
+  return bytes;
+}
+
+const DNS = '6ba7b810-9dad-11d1-80b4-00c04fd430c8';
+exports.DNS = DNS;
+const URL = '6ba7b811-9dad-11d1-80b4-00c04fd430c8';
+exports.URL = URL;
+
+function v35(name, version, hashfunc) {
+  function generateUUID(value, namespace, buf, offset) {
+    var _namespace;
+
+    if (typeof value === 'string') {
+      value = stringToBytes(value);
+    }
+
+    if (typeof namespace === 'string') {
+      namespace = (0, _parse.default)(namespace);
+    }
+
+    if (((_namespace = namespace) === null || _namespace === void 0 ? void 0 : _namespace.length) !== 16) {
+      throw TypeError('Namespace must be array-like (16 iterable integer values, 0-255)');
+    } // Compute hash of namespace and value, Per 4.3
+    // Future: Use spread syntax when supported on all platforms, e.g. `bytes =
+    // hashfunc([...namespace, ... value])`
+
+
+    let bytes = new Uint8Array(16 + value.length);
+    bytes.set(namespace);
+    bytes.set(value, namespace.length);
+    bytes = hashfunc(bytes);
+    bytes[6] = bytes[6] & 0x0f | version;
+    bytes[8] = bytes[8] & 0x3f | 0x80;
+
+    if (buf) {
+      offset = offset || 0;
+
+      for (let i = 0; i < 16; ++i) {
+        buf[offset + i] = bytes[i];
+      }
+
+      return buf;
+    }
+
+    return (0, _stringify.unsafeStringify)(bytes);
+  } // Function#name is not settable on some platforms (#270)
+
+
+  try {
+    generateUUID.name = name; // eslint-disable-next-line no-empty
+  } catch (err) {} // For CommonJS default export support
+
+
+  generateUUID.DNS = DNS;
+  generateUUID.URL = URL;
+  return generateUUID;
+}
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/v4.js b/includes/external/signal/node_modules/uuid/dist/v4.js
new file mode 100644
index 0000000..959d698
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/v4.js
@@ -0,0 +1,43 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+var _native = _interopRequireDefault(require("./native.js"));
+
+var _rng = _interopRequireDefault(require("./rng.js"));
+
+var _stringify = require("./stringify.js");
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function v4(options, buf, offset) {
+  if (_native.default.randomUUID && !buf && !options) {
+    return _native.default.randomUUID();
+  }
+
+  options = options || {};
+
+  const rnds = options.random || (options.rng || _rng.default)(); // Per 4.4, set bits for version and `clock_seq_hi_and_reserved`
+
+
+  rnds[6] = rnds[6] & 0x0f | 0x40;
+  rnds[8] = rnds[8] & 0x3f | 0x80; // Copy bytes to buffer, if provided
+
+  if (buf) {
+    offset = offset || 0;
+
+    for (let i = 0; i < 16; ++i) {
+      buf[offset + i] = rnds[i];
+    }
+
+    return buf;
+  }
+
+  return (0, _stringify.unsafeStringify)(rnds);
+}
+
+var _default = v4;
+exports.default = _default;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/v5.js b/includes/external/signal/node_modules/uuid/dist/v5.js
new file mode 100644
index 0000000..99d615e
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/v5.js
@@ -0,0 +1,16 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+var _v = _interopRequireDefault(require("./v35.js"));
+
+var _sha = _interopRequireDefault(require("./sha1.js"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+const v5 = (0, _v.default)('v5', 0x50, _sha.default);
+var _default = v5;
+exports.default = _default;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/validate.js b/includes/external/signal/node_modules/uuid/dist/validate.js
new file mode 100644
index 0000000..fd05215
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/validate.js
@@ -0,0 +1,17 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+var _regex = _interopRequireDefault(require("./regex.js"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function validate(uuid) {
+  return typeof uuid === 'string' && _regex.default.test(uuid);
+}
+
+var _default = validate;
+exports.default = _default;
\ No newline at end of file
diff --git a/includes/external/signal/node_modules/uuid/dist/version.js b/includes/external/signal/node_modules/uuid/dist/version.js
new file mode 100644
index 0000000..f63af01
--- /dev/null
+++ b/includes/external/signal/node_modules/uuid/dist/version.js
@@ -0,0 +1,21 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+var _validate = _interopRequireDefault(require("./validate.js"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function version(uuid) {
+  if (!(0, _validate.default)(uuid)) {
+    throw TypeError('Invalid UUID');
+  }
+
+  return parseInt(uuid.slice(14, 15), 16);
+}
+
+var _default = version;
+exports.default = _default;
\ No newline at end of file