Bundler dependency should be flexible
Reducing test suite which was just duplicating the implementation
Use let rather than subject
Update to the expect RSpec syntax
Removing Jewler and other unneeded bits
First stab at settings for OAuth2
fix require for oauth2
Working implementation of MMF OAuth2
Tweak gemspec for new gem
Remove useless tests
Renaming to reflect -oauth2
Revise README and licensing for the new version