Merge pull request #36 from stevenwoodson/master

"Fatal error with coffeescript" Bugfix
Merge pull request #37 from stevenwoodson/master

Correction of previous commit, addition of SASS/SCSS compiler
Merge pull request #38 from stevenwoodson/master

_sass_loaded was not being set
Upgrade lessc.php to 0.3.9 - now compatible with Bootstrap 2.3
Added parameter enable packer to be applied to individual groups.
Merge pull request #40 from matbeard/master

Upgrade lessc.php and new option for packing groups
Update to library to check for @include partials in SASS/SCSS. In order to determine whether the assets need to be rebuilt
Removing the group check in clear_cache, old assets were not getting deleted when using grouped assets.