code: function () {
              var ds = this.order.apply(this, arguments);
              return this.__opts.order ? ds.orderMore.apply(ds, this.__opts.order) : ds;
          }
docs: Returns a copy of the dataset with the order columns added
  to the beginning of the existing order. For more detail
  @see patio.Dataset#order
  
  @example
  DB.from("items").order("a").order("b");
  //=> SELECT * FROM items ORDER BY b
  
  DB.from("items").order("a").orderPrepend("b");
  //=>SELECT * FROM items ORDER BY b, a