function validateSwipeTime() {
      var result;
      //If no time set, then return true
      if (options.maxTimeThreshold) {
        if (duration >= options.maxTimeThreshold) {
          result = false;
        } else {
          result = true;
        }
      } else {
        result = true;
      }

      return result;
    }
Checks that the time taken to swipe meets the minimum / maximum requirements
@return Boolean
@inner