hoauth2-1.8.7: Haskell OAuth2 authentication client

# hoauth2-1.8.7: Haskell OAuth2 authentication client

Haskell OAuth2 authentication client. Tested with the following services:

- AzureAD: https://docs.microsoft.com/en-us/azure/active-directory/develop/v1-protocols-oauth-code
- Google: https://developers.google.com/accounts/docs/OAuth2WebServer
- Github: http://developer.github.com/v3/oauth/
- Facebook: http://developers.facebook.com/docs/facebook-login/
- Fitbit: http://dev.fitbit.com/docs/oauth2/
- StackExchange: https://api.stackexchange.com/docs/authentication
- DropBox: https://www.dropbox.com/developers/reference/oauth-guide
- Weibo: http://open.weibo.com/wiki/Oauth2
- Douban: http://developers.douban.com/wiki/?title=oauth2

Signatures

Modules

- Network
  Submodules
  - OAuth
    Submodules
    - Network.OAuth.OAuth2 OAuth2 client
      Submodules
      - Network.OAuth.OAuth2.AuthorizationRequest
      - Network.OAuth.OAuth2.HttpClient
      - Network.OAuth.OAuth2.Internal
      - Network.OAuth.OAuth2.TokenRequest