Pwncat

Added
- Feature: Dualstack IPv4 and IPv6 by default (use `-4` or `-6` to use either of them alone)
- Feature: Allow `addr` part in `--local` to be optional for consistency: 54
- Feature: Have a stateful connect phase for UDP
- CI: Run integration tests for any combination of IPv4, IPv6, TCP, UDP, specific bind and wildcard bind

Fixes
- Ensure remote hostname is mandatory for `--local`/`-L` mode

Added
- Feature: IP ToS selection (`-T`/`--tos`)
- Feature: Print socket options (`--info`) for socket, IPv4, IPv6 and/or TCP

Fixed
- CI: Fixed test frameworks for error checking

Added
- Feature: IPv6 support (`-6`)

Changed
- Changed `--rebind` to allow omitting an argument for endless connect retries

Added
- Added self-injecting unbreakable pwncat reverse shell

Fixed
- Fixed broken pipe with `tail -F`

Changed
- CI: Retry with different port on test failure

Added
- Added feature: Made `PSEStore` instance available to all PSE scripts to persist data, interacti with sockets, stop signal and logger
- Added chat-bot PSE
- Added documentation for PSE API