code: function pushOrConcat(base, toPush) {
  	if (toPush) {
  		if (helpers.isArray(toPush)) {
  			// base = base.concat(toPush);
  			Array.prototype.push.apply(base, toPush);
  		} else {
  			base.push(toPush);
  		}
  	}
  
  	return base;
  }
docs: Helper to push or concat based on if the 2nd parameter is an array or not