Release version 3.2.0.27

What's Changed

Release version 3.2.0.27 by @nguyenanhung in #56

• Update is_numeric in save redis by @nguyenanhung
• Fix ctype_digit int string cast by @nguyenanhung
• Fix usage of static variables by @nguyenanhung
• Fix missing db lang entries: db_data_required by @nguyenanhung
• Fixes the compatibility of XML-RPC library with PHP 8 by @nguyenanhung
• Convert mt_rand to mt_random_int by @nguyenanhung
• Convert mt_rand to mt_random_int by @nguyenanhung
• Add library CI_Luhn by @nguyenanhung

Full Changelog: v3.2.0.26...v3.2.0.27