'Build a MODE string and send it to the client.'

def _sendModeChange(self, msg, args='', target=None):

    if (target is None):
        target = '#chan'
    message = (':Wolf!~wolf@yok.utu.fi    MODE    %s    %s    %s\r\n' % (target, msg, args))
    self.client.dataReceived(message)
