* Licence change from Lesser GPL to MIT.
* Manual query rewritten so that the plugin could be used in different databases (`query()` replaced by `find()`).
* A new component implemented to cache ACL queries.
* Compare passwords validation rule bug was fixed.
* The code made more readable, several comments were added.
* General code optimization in several places.
* Breadcurmbs implementation.
* Double underscores replaced by single one in method names.
* Added visibility to method names.
* Filter component modifications of surchable field types (date, int and float types).
* Cache clearing after save and after delete entries related to AROs and ACOs was improved.
* Options to choose any cake layouts from cake libs folder was added.
* Styles and images from menu helper moved to stylesheet.