Fix topic changes
Fix PONG
Fix errors on non-IPv6 systems
A function is now called to test whether the host can bind a server on IPv6
Add disconnect handler that resets login
I've been having some issues with my bridge randomly disappearing from BT's userlist.  I think maybe it's getting disconnected?  If that's the case, this will let the user log in again without restarting the IRC server.  Otherwise, I dunno.
Update changelog
Change the way reconnects are handled