Merge pull request #111 from ktunkiewicz/master

filter_column - versatile filtering method
 Add column to end of array

 Link with #100 request
Merge pull request #117 from xAockd/patch-1

 Add column to end of array if order value exceeds column count
Merge branch 'master' of https://github.com/ktunkiewicz/laravel4-datatables-package