Fixes autoloader + option compressed

<a href="https://github.com/EaredSeal"><img src="https://avatars.githubusercontent.com/u/6436237?v=2" align="left" width="96" height="96" hspace="10"></img></a> **Issue by [EaredSeal](https://github.com/EaredSeal)**
_Wednesday Apr 23, 2014 at 13:03 GMT_
_Originally opened as https://github.com/oyejorge/less.php/pull/122_

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_**[EaredSeal](https://github.com/EaredSeal)** included the following code: https://github.com/oyejorge/less.php/pull/122/commits_