Separated DataHandler

DataHandler was separated into AuthorizationHandler and ProtectedResourceHandler.
User doesn't need to change an interface existing because DataHandler extends them.

Optional client_id and client_secret

• Client credentials should be optional for password grant type #33
• clientSecret should be Option #36

AuthInfo covariant

• #29 Make AuthInfo[+U] covariant

Future DataHandler

• Changed the interface of DataHandler to return Future since this version
• Improved error messages
• Improved validation for checking HTTP header

Future DataHandler

Changed interface of DataHandler to return Future since this version.

Support only Playframework 2.2

Playframework 2.3 is supported on version 0.8.x

Support Playframework 2.3 both Scala 2.10 and 2.11

0.8.0

version 0.8.0

0.7.2

• Add additional cache control headers per RFC 6749 Section 5.1 #14