Booking System v6.0.4

New in version 6.0.4 (March 29, 2023)
- Bug: number of events in list view does not match the calendar view;
- Bug: on some occasions booked slots show as available though throws error at the end;
- Bug: $0 amount does not process through PayPal;
- Bug: Multi-price feature does not auto-update the prices on the booking form;
- Bug: French accent problem (UTF8 issues);
- Bug: issues with duplicating the event;
- Bug: emails sent from the system contain invalid characters on some systems;
- Bug: few functions do not work if PHP short_tags are disabled on the server;
- Improvement: added PHP 8.2 support;