def quit(phenny, input):
    """Quit from the server. This is an owner-only command."""
    # Can only be done in privmsg by the owner
    if input.sender.startswith('#'):
        return
    if input.owner:
        # TODO: add optional arguments for a quit message
        a = input.group(2)
        if a:
            phenny.write(['QUIT'], a)
            __import__('os')._exit(0)
        else:
            phenny.write(['QUIT'])
            __import__('os')._exit(0)
quit.commands = ['quit']
quit.priority = 'high'