|   |   | 
| $my.user Returns the current username | 
| Usage | 
| <string> $my.user([irc_context_id:uint]) | 
| Description | 
| Returns the username of the current IRC context. If the IRC context is not connected then an empty string is returned. If <irc_context_id> is specified this function returns acts as it was called in that irc_context. |