code: function receiveMessageFromBrackets(msgObj) {
          var argList = msgObj.args;
          argList.unshift(msgObj.requester || "");
          functionMap[msgObj.fn].apply(null, argList);
      }
docs: Receives messages from brackets
  @param {object} msgObj - json containing - {
  fn - function to execute on node side
  args - arguments to the above function }