------------------- - Allowed pack_user_for_header to be used outside of tests
0.3.7
------------------- - Added special exception for missing user
0.3.6
------------------- - Changed role decorators to raise MissingRoleError on failure
0.3.5
------------------- - Added support for user models containing a validate method - Added abilitiy to provision tokens that don't expire - Added ability to override expiration times
0.3.4
------------------- - Added utility function to fetch just user_id