code: function setInitialState(ret) {
      
      var e, r;
      
      // Before resetting, keep a copy of args
      if (ret) {
        e = (errored ? errors : null);
        r = results;
      }
      
      // Reset runtime vars to their default state
      counter = 0;
      errored = false;
      errors = [];
      results = [];
      
      // Flush stack on first run or when config.flush is true
      if (stack == null || config.flush) stack = [];
      
      // Return prepared arguments
      if (ret) return [e, r];
  
    }
docs: Sets the initial state of multi