Merged functools `wraps` contribution thanks to pannkotsky.
1.0.0
Added fixtures to allow unit tests against schema to skip authorisation. Cleaned up unit tests some.
0.0.7
Reinstated caching
0.0.5
1. Added tests. 1. Refactored so framework specific settings retrieval were separate 1. Refactored to make data dict based rather than list based for key access use 1. Other minor cleanups and tweaks
0.0.3
Added filter_field to allow developer to specify the field where the group id can be retrieved.