Fixed CSS missing weight errors which could cause files to dissapear!
Fixed a BAD typo which would cause CSS aggregated files not to be created.

Added support for JSMin library PHP port in order to minify JS.
Bugfixed a bit.

to use it).

The learning mode has been improved, and is able to deal with some Drupal core
specifics, such as JS settings exclusion and non activated theme files exclusion
in order to avoid theme conflicts.

The CSS full bypass mode now produce a good result. In most case (with non
browser-specific files) we achieve a 2 files result. Moreover, our bypass
mecanism does not produced any I/O anymore once the site state is stable, which
lead on my own environment to a 50ms time creation reduction.

This performance boost using one only environment is not significant, that's
why more testers are needed to confirm this.