HOTFIX 2014.6 - ?API: The field lookup_key has been added to the resource /api/v1/carts

API: The field lookup_key has been added to the resource /api/v1/carts. This is the encoded value is used by saved/abandoned carts for lookup via the cart's URL, i.e. /store/shopcart.aspx?cartid=LOOKUP_KEY_GOES_HERE