Fixed a bug where using a parameterless cellFilter would stop the grid filtering from working. Example Plunker: plnkr.co/edit/nL1dvjMAnuvHdHPgGv9L
Fixed a bug where the filtering stops working if one of the fields in the columnDefs is pointing to an object
Mixing semicolon from previous commit
Merge pull request #1157 from dezsiszabi/master

Fixing filtering bugs