public static IQueryable<PetShop.Core.Data.Supplier> ByPhone(this IQueryable<PetShop.Core.Data.Supplier> queryable, string phone, params string[] additionalValues)
        {
            var phoneList = new List<string> { phone };

            if (additionalValues != null)
                phoneList.AddRange(additionalValues);
            else
                phoneList.Add(null);

            if (phoneList.Count == 1)
                return queryable.ByPhone(phoneList[0]);

            return queryable.ByPhone(phoneList);
        }
        public static IQueryable<Petshop.Data.Entities.Account> ByPhone(this IQueryable<Petshop.Data.Entities.Account> queryable, System.String phone, params System.String[] additionalValues)
        {
            var phoneList = new List<System.String> { phone };

            if (additionalValues != null)
                phoneList.AddRange(additionalValues);
            else
                phoneList.Add(null);

            if (phoneList.Count == 1)
                return queryable.ByPhone(phoneList[0]);

            return queryable.ByPhone(phoneList);
        }