added unit testing, and started implementing unit tests...phew

node_modules/async/timesLimit.js

@@ -0,0 +1,42 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = timeLimit;
+
+var _mapLimit = require('./mapLimit');
+
+var _mapLimit2 = _interopRequireDefault(_mapLimit);
+
+var _baseRange = require('lodash/_baseRange');
+
+var _baseRange2 = _interopRequireDefault(_baseRange);
+
+var _wrapAsync = require('./internal/wrapAsync');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [times]{@link module:ControlFlow.times} but runs a maximum of `limit` async operations at a
+ * time.
+ *
+ * @name timesLimit
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @see [async.times]{@link module:ControlFlow.times}
+ * @category Control Flow
+ * @param {number} count - The number of times to run the function.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {AsyncFunction} iteratee - The async function to call `n` times.
+ * Invoked with the iteration index and a callback: (n, next).
+ * @param {Function} callback - see [async.map]{@link module:Collections.map}.
+ */
+function timeLimit(count, limit, iteratee, callback) {
+  var _iteratee = (0, _wrapAsync2.default)(iteratee);
+  (0, _mapLimit2.default)((0, _baseRange2.default)(0, count, 1), limit, _iteratee, callback);
+}
+module.exports = exports['default'];