code: function areAllBrothers (controls) 	{
  		if (controls.length) {
  			var parent = controls[0].parent;
  			return array.every(controls, function (item) {
  				return item.parent === parent;
  			});
  		}
  		return false;
  	}
docs: /*
  Tells whether or not the supplied array of FilterBuilder controls are brothers