code: function hasFired(app, evName) {
              if ("undefined" === typeof evName) {
                  evName = app;
                  app = defaultAppName;
              }
  
              return evUtil.hasFired(fired, app, evName);
          }
docs: firedEventData can pass two request parameters
  @param app name
  @param evName = event name
  @return {Array}