Zephix 6

Fixed UEFI issue of not booting on specific systems and on latest VirtualBox. Updated base to Debian 11.6 adding corrections for security issues, along with a few adjustments for serious problems. Optimised the 'toram' boot option mechanism - to boot Zephix totally in memory, it now requires 1.5GB RAM (core, firmware and desktop modules) or 512MB RAM (core module only). Updated module creation and manipulation scripts making it much easier to create new modules without having to reboot the ISO after creating a single module and also reducing the size of each module accordingly (refer to the Customise section for more details). Updated desktop and firmware modules. Optimised boot sequence code for a cleaner and smoother boot process.