Made some progress on crud session management
Added some stuff for crud directive
Continued in crud
Corrected 2 issues in handler.py
1. when passing string or int, iteration was incorrectly handled
2. delete was called on entity instead of key
Removed reference to unneded service
corrected bug in serialization for Key lists, and bug with saving dates objects
Merge pull request #22 from damienfir/topic/crud-directive

Topic/crud directive