refresh with code flow

[tonytoranzo]

When useHttpBasicAuth is set to true, refreshToken() doesn't consider this flag and it always appends client-id and client-secret to params instead of headers in BasicAuth.

Thanks

[manfredsteyer]

will work with version 9 which lands soon. Please recheck after that.

[tonytoranzo]

Hi, thanks so much. I will test when it is updated.