Tags: SpotifyUsedOpenSourceCode/javascript-sync-async-foreach

Removed hard Node.js version dependency. Closes cowboygh-3.

Releasing v0.1.2.

* Adding sparse array support.
* Invalid length properties are now sanitized.
* This closes issue cowboy#1 (like a boss).

Refactored code to be much simpler. Yay for unit tests!

Tweaked Readme.