Fixes:
- PHP session IDs: handle hash algorithms and bits per char representations
Minor changes:
- HTTPS: support being served behing an SSL-enabled proxy
- HTTP/Server utilities: refactor & add test coverage
Project & documentation:
- improve/rewrite `README.md`
- update contributor list
- update `index.php` header
Signed-off-by: VirtualTam <virtualtam@flibidi.net>