code: function CountUpRounds(visualRound, options) {
  
          generalConstructor(this, visualRound, 'COUNT_UP_ROUNDS', options);
  
          /**
           * ### CountUpRounds.curRoundNumber
           *
           * The span in which the current round number is displayed
           */
          this.curRoundNumber = null;
  
          /**
           * ### CountUpRounds.totRoundNumber
           *
           * The element in which the total round number is displayed
           */
          this.totRoundNumber = null;
  
          this.init();
      }
docs: # CountUpRounds
  
  Copyright(c) 2017 Stefano Balietti
  MIT Licensed
  
  Defines a displayMode for the `VisualRound` which displays the current
  and possibly the total number of rounds
   
  ## CountUpRounds constructor
  
  Display mode which displays the current number of rounds
  
  Can be constructed to furthermore display the total number of stages.
  
  @param {VisualRound} visualRound The `VisualRound` object to which the
  displayMode belongs
  @param {object} options Optional. Configuration options. If
  `options.toTotal == true`, then the total number of rounds is displayed
  
  @see VisualRound