Update README.md

Added section on how to access the api after getting the token.
Merge pull request #29 from Galaxonic/patch-1

Update README.md
Fixed issue when limit_scopes_to_grants was set to true the $result->id would get overridden by oauth_grants.id
Merge pull request #30 from BsWiM/lucadegasperi/master

Fixed issue when limit_scopes_to_grants was set to true the $result->id would get overridden by oauth_grants.id
Merge branch 'refs/heads/master' into develop
Injecting configuration into the classes