Prevent getEntitiesByIds to deliver data on empty Object[].
Added method to get the current User ID from Session.
Removed dangling whitespace.
Merge pull request #24 from weskamm/fixgetentities

Prevent getEntitiesByIds to deliver data on empty Object[].
Merge pull request #25 from weskamm/getCurrentUserId

Added method to get the current User ID from Session