Fix exception usage and ability to add params to the code request link

[grothentor]

Docs for Azure oath have listed additional parameters that you can pass to the link for request an authorization code, f.e.: "prompt" - using to change which user interactions are required. you might force users to fill their creds or opposite login only when no interactions is needed... "login_hint" - prefill for login "domain_hint" - prefill for domain and some others.