code: public void statusMessage(String text) throws IOException {
  		Map<String, Object> m = JSONProtocol.cmd("message");
  		m.put("text", text);
  		pipe.send(m);
  		if (!JSONProtocol.check(m, pipe.recv())) {
  			throw new IOException("Could not display status");
  		}
  	}
docs: Shows a message on the screen
  
  @param text message to be shown
  @throws IOException when communication fails