code: function say(message, channelId) {
    channelId = channelId || false;
  
    if (channelId) {
      sendDiscordMessage(channelId, message);
      return;
    }
  
    if (!ircClient || typeof message !== 'string')
      return;
  
    ircClient.say(config.channel, message);
  }
docs: Say a message to chat
  
  @param message     {string} - send a message to chat
  @param [channelId] {string} - id of discord channel