'Send a debug message to the other side.
@param message: the message to send.
@type message: L{str}
@param alwaysDisplay: if True, tell the other side to always
display this message.
@type alwaysDisplay: L{bool}
@param language: optionally, the language the message is in.
@type language: L{str}'

def sendDebug(self, message, alwaysDisplay=False, language=''):

    self.sendPacket(MSG_DEBUG, ((chr(alwaysDisplay) + NS(message)) + NS(language)))
