WP 6.4 Ready (tested with RC2)

PHP: Escaping for echo finalized. Translation completed ( .htaccess test output ).
Tileserver.php minor changes.
Unused funtions in fm_functions.php out commented.
Test with WP 6.4-RC2.
Cube transition in Swiper deactivated (stil usable as shortcode parameter). Does not work and did never work completely. Update of Gutenberg Block still pending. Should not be used.
Removed wp_kses_post() on Admin Pages.