[docs] [issue24459] Mention PYTHONFAULTHANDLER in the man page

STINNER Victor added the comment: PYTHONASYNCIODEBUG and PYTHONTRACEMALLOC are also missing. I didn't know that Python has a manual page :-) (Misc/python.man) Note: I added these 3 environment variables ;-) ---------- nosy: +haypo _______________________________________ Python tracker <report@bugs.python.org> <http://bugs.python.org/issue24459> _______________________________________