module documentation
        
        
        Authentication utilities to accompany :module:`twitterclient`.
| Class |  | Methods for authenticating with Twitter. | 
| Function | add | For OAuth 2, retrieve an access token for an app and append it to a credentials file. | 
| Function | credsfromfile | Convenience function for authentication | 
| Function | guess | If the path is not absolute, guess that it is a subdirectory of the user's home directory. |