Fixed bug in PHPInfo page
Updated lab files
Added videos for hints 43-55
Incorporated suggestion from Michal P michpcx
Patched bug in Lab 12 hint
Patched bug in directory browsing hint
Shortened hints status text
Patched for PHP 8.1
Added two more labs with hints and videos
Added 11 new videos
Improved XSS hints
Added 5 more videos
Added 5 new videos to several tutorials
Added 10 new lab videos
Patched formatting issues in the lab hints files
Added Lab 61
Patched Lab 24
Patched Lab 25
Added cross links for CSP,XSS,CORS