Fix #25. Convert keys to string no matter the type
Readme for 0.6.4
Generate event to write in the log during the app startup instead of println
Update plugin to version 0.6.4
Fixed Class Casts exceptions
Added test for instance delete
Fixed toString() method signature. Related to issue #25
Fixes Map type in order to reflect HstoreHelper.toString() signature
change.
Cleanup
Readme for 0.6.5
Update to 0.6.5 version