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

node_modules/async/timesSeries.js

@@ -0,0 +1,32 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _timesLimit = require('./timesLimit');
+
+var _timesLimit2 = _interopRequireDefault(_timesLimit);
+
+var _doLimit = require('./internal/doLimit');
+
+var _doLimit2 = _interopRequireDefault(_doLimit);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [times]{@link module:ControlFlow.times} but runs only a single async operation at a time.
+ *
+ * @name timesSeries
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @see [async.times]{@link module:ControlFlow.times}
+ * @category Control Flow
+ * @param {number} n - The number of times to run the function.
+ * @param {AsyncFunction} iteratee - The async function to call `n` times.
+ * Invoked with the iteration index and a callback: (n, next).
+ * @param {Function} callback - see {@link module:Collections.map}.
+ */
+exports.default = (0, _doLimit2.default)(_timesLimit2.default, 1);
+module.exports = exports['default'];