refactored pickling of sessions
Merge pull request #494 from niphlod/fix/pickle_refactoring

refactored pickling of sessions
case insensitive autocomplete again
fix infinite loop in request_password
Merge pull request #496 from rpedroso/reset_password_infinite_loop

fix infinite loop in request_password
fixed json field representation
better native_json naming convention
fixed mongodb json?
fixed typo in driver_auto_json