assets/js/vendor/backbone-relational.js
function( related ) {
			this.related = related;

			this.instance.acquire();
			this.instance.attributes[ this.key ] = related;
			this.instance.release();
		}
function( related ) {
			this.related = related;

			this.instance.acquire();
			this.instance.attributes[ this.key ] = related;
			this.instance.release();
		}
Set the related model(s) for this relation
@param {Backbone.Model|Backbone.Collection} related