0.5.0

• Added ClientCredentials and Password grants
• Added support for providers to set their own uid parameter key name
• Added support for Google's hd (hosted domain) parameter
• Added support for providing a custom state parameter to the authorization URL
• LinkedIn pictureUrl is now an optional response element
• Added Battle.net provider package link to README
• Added Meetup provider package link to README
• Added .gitattributes file
• Increased test coverage
• A number of documentation fixes, minor bug fixes, and coding standards fixes

0.4.0

• Added ProviderInterface and removed IdentityProvider.
• Expose generated state to allow for CSRF validation.
• Renamed League\OAuth2\Client\Provider\User to League\OAuth2\Client\Entity\User.
• Entity: User: added gender and locale properties
• Updating logic for populating the token expiration time.

0.3.0

This release made some huge leaps forward, including 100% unit-coverage and a bunch of new features.