allowed symfony 2.2-dev
Merge pull request #40 from bamarni/patch-1

allowed symfony 2.2-dev
Fixed the service definition in the readme
Added an exception if token validation failed
Merge pull request #43 from fixe/patch-1

Added an exception if token validation failed
Merge commit 'e2bf6f3458005ee3dc2a2ac901c4014d2ece4fac'