v2.6.4

Initial release of the fork.

Includes all code from the upstream 2.6.4 and all changes from https://github.com/maxlipsky-ca/PHRETS-PHP8.

What's Changed

• Merge maxlipsky ca by @nicosp in #1
• Remove illuminate/support. by @nicosp in #2

Full Changelog: https://github.com/QoboLtd/PHRETS/commits/v2.6.4