Fix for allowing the current cache to properly work with images which does not have the same internal format and extension (e.g. PNG internal format and .JPG extension).
Cleanup of XML documentation - cref is for classes
Merge pull request #59 from tbroust-trepia/comment-fixes

Cleanup of XML documentation - cref is for classes!
Merge pull request #57 from LaurentiuMM/master

Caching images having a different internal format vs file extension
Merge pull request #58 from tbroust-trepia/unit-tests

Adding a few unit tests