code: function onError(err) {
          if (callback) {
              callback(err);
          }
          else if (that.emitErrs) {
              that.emit('error', err);
          }
      }
docs: If we should pad for levels, do so if (this.padLevels) { msg = new Array(this.levelLength - level.length + 1).join(' ') + msg; }