Merge branch 'release/0.5.1-beta' into develop
Added response check on UserLibraryInterface.get (now returns 'None' if request fails)
Added movie rate, seen, library and unlibrary methods
Added Interface.__getitem__ to allow retrieval of actions by name
Fixed problem using @authenticated in the base Interface class
Implemented movie mapping
Added 'kwargs' to Interface.action method, fixed requests being sent as URL parameters
Implemented show 'library', 'seen' and 'unlibrary' methods.
Implemented rate 'episodes' and 'shows'
Bumped version to 0.5.2
Merge branch 'release/0.5.2-beta'