v1.7.18-202208061319
- feature: #190 Add support for AVIF image format (requires PHP 8.1.0) for native PHP support.
- bugfix: #190 Ensure that all used IMG_ and IMAGETYPE_ constants are always defined.
- bugfix: #188 Fix some potential null-parameter warnings
- bugfix: #187 PHP8 compatibility
- bugfix: #185 PHP8 compatibility
- bugfix: #183 Better message auth