code: function addStepsToCurrentBlock(that, steps) {
          var curBlock, i, len;
          curBlock = that.getCurrentBlock();
          i = -1, len = steps.length;
          for ( ; ++i < len ; ) {
              addStepToBlock(that, curBlock, steps[i], that.currentType);
          }
      }
docs: #### addStepsToCurrentBlock
  
  Adds steps to current block
  
  For each step inside stage.step, it checks whether the step was
  already added to current block, and if not, it adds it.
  
  @param {object} that Reference to Stager object
  @param {array} steps Array containing the id of the steps
  
  @see addStepToBlock