What's Changed
A few fixes:
* Added tcdrain and fixed todo by calling atexit._run_exitfuncs by kmaork in https://github.com/kmaork/madbg/pull/31
* Use SIGIO instead of listener thread by kmaork in https://github.com/kmaork/madbg/pull/35
* Piping refactor + single tracing session by kmaork in https://github.com/kmaork/madbg/pull/36
* Continue when can't attach to tty by kmaork in https://github.com/kmaork/madbg/pull/39
* Fix bug where quit doesn't exit the debugger
**Full Changelog**: https://github.com/kmaork/madbg/compare/1.2.0...1.3.1