Haggard (v3.2.1)

• BUGFIX: Restore PHP 7.1 compatibility — 3.2 unintentionally required PHP 8.1+ via never/true return types, union types, and str_starts_with().
• BUGFIX: Only delete a peer and fire the stopped hook when that peer was actually being tracked.
• BUGFIX: Normalize uppercase info_hash and peer_id to lowercase so a torrent is not split across two swarms.
• IMPROVES: Update README backup and cron instructions to match the PHP backup script.
• IMPROVES: Correct parse_ipv4 and peer_format_bencode unit tests to match intended behavior.

Compare v3.2.1 with v3.2