Modules
Yesod.Auth
Yesod.Auth.BrowserId
Yesod.Auth.Dummy
Yesod.Auth.Email
Yesod.Auth.Facebook
Yesod.Auth.GoogleEmail
Yesod.Auth.HashDB
Yesod.Auth.Kerberos
Yesod.Auth.Message
Yesod.Auth.OAuth
Yesod.Auth.OpenId
Yesod.Auth.Rpxnow