def say(body, type='chat', *args, &blk)
      msg = connection.message_stanza({:to => jid, :type => type},
        x('body',body),
        *args
      )
      connection.send_stanza msg, &blk
    end
def say(body, type='chat', *args, &blk)
      msg = connection.message_stanza({:to => jid, :type => type},
        x('body',body),
        *args
      )
      connection.send_stanza msg, &blk
    end
sends some plain message to the entity (use type = 'chat')