Fix in Like and Or filters processing

 - Fix a Bug on the Or filter processing, when the users
   inserts two filters inside or, a IndexOfBoundsException is rised.

 - Fix a Bug on the Like filter processing. This filter was
   ignoring the Case Insensitive parameter.
Merge pull request #38 from EduFrazao/like-patch

Fix in Like and Or filters processing. Kudos to EduFrazao.