* Allow supporting older clients with response_type=id (#3)
* Changed FilesystemJsonStorage internal structure to better match terms used in OAuth (#5)
* Allowed guzzle v2 (#7)
* Improved authentication callback handling logic (#8)
* Allowed . and ~ in plain text code challenge (#13)
* No more hard fail if client_id cannot be fetched (#14)
* Improved styling of all default templates
* Minor fixes, regenerated documentation