[Issue #34] - Add application parameters to client_credentials tokens - Add details update support
[Issue #34] - Add application parameters to client_credentials tokens - Allow updates just to application parameters
[Issue #34] - Add application parameters to client_credentials tokens - Assosiate application details with token only if not empty
Merge pull request #40 from apostolterziev/update_application_details

[Issue #34] - Add application parameters to client_credentials tokens - Add details update support