Merge branch 'develop' of https://github.com/bshaffer/oauth2-server-php into develop
Merge branch 'develop' of https://github.com/bshaffer/oauth2-server-php into develop
Implement ScopeInterface for PDO, Redis

* Added tests and supporting data for Memory, PDO, Redis
Merge pull request #217 from dsquier/develop

Implement ScopeInterface for PDO, Redis
Updated docblocks for RefreshTokenInterface.php

`user_id` field was missing for set/get refresh token methods.
Merge branch 'develop' of https://github.com/bshaffer/oauth2-server-php into develop
fixes #224 - makes  and  protected properties
Merge pull request #223 from svycka/patch-1

Updated docblocks for RefreshTokenInterface.php
better support for scopes in PDO
Merge branch 'develop' of https://github.com/bshaffer/oauth2-server-php into develop
fixes #227 - squelches open basedir restriction error
fixes #228 - removes scope group - we don't want this implementation logic, comeon people
fixes #215 - makes Redis Scope Storage obey the same paradigm as PDO
Remove unused columns in oauth_clients

These are no longer needed with the last scope storage change.
Merge pull request #230 from dsquier/develop

Remove unused columns in oauth_clients
More detailed implementation info
Merge branch 'develop' of https://github.com/bshaffer/oauth2-server-php into develop
defines  protected property on OAuth2\ResponseType\AccessToken
refactors Storage tests - breaks them out into interface tests for each storage type
fixes tests - adds null option for storage in UserCredentialsTest