0.013  2022-02-18 09:51:01 CET
  - allow for reauthentication
  - add option authorize_params for extra authorization parameters from the config
  - add option allowed_authorize_params for extra authorization from the url

0.012  2022-02-16 11:17:28 CET
  - basic authentication requires encode_base64 with trailing =

0.011  2022-02-16 10:35:22 CET
  - cleanup called without session
  - error condition can also happen during code exchange

0.01  2022-01-31 10:01:02 CET
  - first release