Log Message:
py-oauthlib: updated to 3.0.2

3.0.2:
* Fixed space encoding in base string URI used in the signature base string.
* Fixed OIDC /token response which wrongly returned "&state=None"
* Doc: The value `state` must not be stored by the AS, only returned in \ 
/authorize response.
* Fixed OIDC "nonce" checks: raise errors when it's mandatory