Add coments heading & license
Add deep selectors functions to Ubiq
BugFix on deep selectors & add isAssociative function
Add a PHP array_merge_recusirve that keep array depth
Add doMergeUnique functions & tests
The next version will be the v0.4.5
Add keyBy & groupBy functions
Bugfix for the PHP5.3 compatibility
Add renameKey functions
Bugfix for the PHP5.3 compatibility
Add filter methods
The next version will be v0.4.6