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diff --git a/node_modules/async/queue.js b/node_modules/async/queue.js
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+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+exports.default = function (worker, concurrency) {
+  var _worker = (0, _wrapAsync2.default)(worker);
+  return (0, _queue2.default)((items, cb) => {
+    _worker(items[0], cb);
+  }, concurrency, 1);
+};
+
+var _queue = require('./internal/queue.js');
+
+var _queue2 = _interopRequireDefault(_queue);
+
+var _wrapAsync = require('./internal/wrapAsync.js');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+module.exports = exports['default'];
+
+/**
+ * A queue of tasks for the worker function to complete.
+ * @typedef {Iterable} QueueObject
+ * @memberOf module:ControlFlow
+ * @property {Function} length - a function returning the number of items
+ * waiting to be processed. Invoke with `queue.length()`.
+ * @property {boolean} started - a boolean indicating whether or not any
+ * items have been pushed and processed by the queue.
+ * @property {Function} running - a function returning the number of items
+ * currently being processed. Invoke with `queue.running()`.
+ * @property {Function} workersList - a function returning the array of items
+ * currently being processed. Invoke with `queue.workersList()`.
+ * @property {Function} idle - a function returning false if there are items
+ * waiting or being processed, or true if not. Invoke with `queue.idle()`.
+ * @property {number} concurrency - an integer for determining how many `worker`
+ * functions should be run in parallel. This property can be changed after a
+ * `queue` is created to alter the concurrency on-the-fly.
+ * @property {number} payload - an integer that specifies how many items are
+ * passed to the worker function at a time. only applies if this is a
+ * [cargo]{@link module:ControlFlow.cargo} object
+ * @property {AsyncFunction} push - add a new task to the `queue`. Calls `callback`
+ * once the `worker` has finished processing the task. Instead of a single task,
+ * a `tasks` array can be submitted. The respective callback is used for every
+ * task in the list. Invoke with `queue.push(task, [callback])`,
+ * @property {AsyncFunction} unshift - add a new task to the front of the `queue`.
+ * Invoke with `queue.unshift(task, [callback])`.
+ * @property {AsyncFunction} pushAsync - the same as `q.push`, except this returns
+ * a promise that rejects if an error occurs.
+ * @property {AsyncFunction} unshiftAsync - the same as `q.unshift`, except this returns
+ * a promise that rejects if an error occurs.
+ * @property {Function} remove - remove items from the queue that match a test
+ * function.  The test function will be passed an object with a `data` property,
+ * and a `priority` property, if this is a
+ * [priorityQueue]{@link module:ControlFlow.priorityQueue} object.
+ * Invoked with `queue.remove(testFn)`, where `testFn` is of the form
+ * `function ({data, priority}) {}` and returns a Boolean.
+ * @property {Function} saturated - a function that sets a callback that is
+ * called when the number of running workers hits the `concurrency` limit, and
+ * further tasks will be queued.  If the callback is omitted, `q.saturated()`
+ * returns a promise for the next occurrence.
+ * @property {Function} unsaturated - a function that sets a callback that is
+ * called when the number of running workers is less than the `concurrency` &
+ * `buffer` limits, and further tasks will not be queued. If the callback is
+ * omitted, `q.unsaturated()` returns a promise for the next occurrence.
+ * @property {number} buffer - A minimum threshold buffer in order to say that
+ * the `queue` is `unsaturated`.
+ * @property {Function} empty - a function that sets a callback that is called
+ * when the last item from the `queue` is given to a `worker`. If the callback
+ * is omitted, `q.empty()` returns a promise for the next occurrence.
+ * @property {Function} drain - a function that sets a callback that is called
+ * when the last item from the `queue` has returned from the `worker`. If the
+ * callback is omitted, `q.drain()` returns a promise for the next occurrence.
+ * @property {Function} error - a function that sets a callback that is called
+ * when a task errors. Has the signature `function(error, task)`. If the
+ * callback is omitted, `error()` returns a promise that rejects on the next
+ * error.
+ * @property {boolean} paused - a boolean for determining whether the queue is
+ * in a paused state.
+ * @property {Function} pause - a function that pauses the processing of tasks
+ * until `resume()` is called. Invoke with `queue.pause()`.
+ * @property {Function} resume - a function that resumes the processing of
+ * queued tasks when the queue is paused. Invoke with `queue.resume()`.
+ * @property {Function} kill - a function that removes the `drain` callback and
+ * empties remaining tasks from the queue forcing it to go idle. No more tasks
+ * should be pushed to the queue after calling this function. Invoke with `queue.kill()`.
+ *
+ * @example
+ * const q = async.queue(worker, 2)
+ * q.push(item1)
+ * q.push(item2)
+ * q.push(item3)
+ * // queues are iterable, spread into an array to inspect
+ * const items = [...q] // [item1, item2, item3]
+ * // or use for of
+ * for (let item of q) {
+ *     console.log(item)
+ * }
+ *
+ * q.drain(() => {
+ *     console.log('all done')
+ * })
+ * // or
+ * await q.drain()
+ */
+
+/**
+ * Creates a `queue` object with the specified `concurrency`. Tasks added to the
+ * `queue` are processed in parallel (up to the `concurrency` limit). If all
+ * `worker`s are in progress, the task is queued until one becomes available.
+ * Once a `worker` completes a `task`, that `task`'s callback is called.
+ *
+ * @name queue
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @category Control Flow
+ * @param {AsyncFunction} worker - An async function for processing a queued task.
+ * If you want to handle errors from an individual task, pass a callback to
+ * `q.push()`. Invoked with (task, callback).
+ * @param {number} [concurrency=1] - An `integer` for determining how many
+ * `worker` functions should be run in parallel.  If omitted, the concurrency
+ * defaults to `1`.  If the concurrency is `0`, an error is thrown.
+ * @returns {module:ControlFlow.QueueObject} A queue object to manage the tasks. Callbacks can be
+ * attached as certain properties to listen for specific events during the
+ * lifecycle of the queue.
+ * @example
+ *
+ * // create a queue object with concurrency 2
+ * var q = async.queue(function(task, callback) {
+ *     console.log('hello ' + task.name);
+ *     callback();
+ * }, 2);
+ *
+ * // assign a callback
+ * q.drain(function() {
+ *     console.log('all items have been processed');
+ * });
+ * // or await the end
+ * await q.drain()
+ *
+ * // assign an error callback
+ * q.error(function(err, task) {
+ *     console.error('task experienced an error');
+ * });
+ *
+ * // add some items to the queue
+ * q.push({name: 'foo'}, function(err) {
+ *     console.log('finished processing foo');
+ * });
+ * // callback is optional
+ * q.push({name: 'bar'});
+ *
+ * // add some items to the queue (batch-wise)
+ * q.push([{name: 'baz'},{name: 'bay'},{name: 'bax'}], function(err) {
+ *     console.log('finished processing item');
+ * });
+ *
+ * // add some items to the front of the queue
+ * q.unshift({name: 'bar'}, function (err) {
+ *     console.log('finished processing bar');
+ * });
+ */
+\ No newline at end of file