public IHttpActionResult CreateShipper(ShipperModel newShipper)
        {
            var entity = new Shipper
            {
                CompanyName = newShipper.CompanyName,
                Phone       = newShipper.Phone
            };

            entity = _repository.CreateShipper(entity);
            newShipper.ShipperID = entity.ShipperID;
            String loc = Url.Link("api/shippers/{shipperID}", new { shipperID = entity.ShipperID });

            return(Created <ShipperModel>(loc, newShipper));
        }