Auth and request signing works w/out oauthconsumer
Rewrite ~50% of POST-based methods + bug fixes
Finish implementing/fixing POST requests, cleaned up some OAuth-related methods
Improve error handling + fix completion block OAuth login controller.
Fix get requests with parameters
Fixed up demo a bit
Cleanup documentation
Unify base64 encoding + update a few methods
Finish updating methods
Remove OAuthConsumer
Finish XAuth
ARC and code cleaning
Final changes before merge