Add basic functionality to revoke token access
Merge pull request #285 from stloyd/feature/revoke_tokens

Add basic functionality to revoke token access
[Foursquare] Use `getOption()` instead raw array calls
[Twitter] Use `id_str` as user identifier to prevent issues with MongoDB
Don't use alias function & force default values for `http_build_query()`
Use Buzz interface data instead of hardcoded strings for HTTP methods
Additionally small cleanup
Add CHANGELOG notes
Merge pull request #295 from stloyd/bugfix/twitter_id

Twitter bugfix + cleanups
Prepare release 0.2.5
Merge branch '0.2'
Fixed regression added in previous refactoring
Merge pull request #297 from stloyd/bugfix/token_usage_regression

Fixed regression added in previous refactoring
Add the Instagram Resource Owner
Instagram documentation
Complying changes from github comments
Merge pull request #298 from atomseeds/master

Add the ResourceOwner for Instagram #130
Fix previous merge