Changed the way Session objects map sockets to connections.
Test TODO.rst file generated by xxxreport.
Removed comment that was messing up TODO listing
Marked Session._send_once as internal.
Moved regex compilation for the event handler decorator one scope out.
Added some docs.
Merge pull request #60 from R-a-dio/upgrade1.3/ircbot

Changed the way Session objects map sockets to connections.