public static IQueryable<PetShop.Core.Data.Account> ByAccountId(this IQueryable<PetShop.Core.Data.Account> queryable, int accountId, params int[] additionalValues)
        {
            var accountIdList = new List<int> { accountId };

            if (additionalValues != null)
                accountIdList.AddRange(additionalValues);

            if (accountIdList.Count == 1)
                return queryable.ByAccountId(accountIdList[0]);

            return queryable.ByAccountId(accountIdList);
        }
        public static IQueryable<Petshop.Data.Entities.Account> ByAccountId(this IQueryable<Petshop.Data.Entities.Account> queryable, System.Int32 accountId, params System.Int32[] additionalValues)
        {
            var accountIdList = new List<System.Int32> { accountId };

            if (additionalValues != null)
                accountIdList.AddRange(additionalValues);

            if (accountIdList.Count == 1)
                return queryable.ByAccountId(accountIdList[0]);

            return queryable.ByAccountId(accountIdList);
        }