Sort IPv4 addresses before IPv6 in `dig`
Sort IPv4 addresses before IPv6 in `dig`

Stupidly-complicated stable sort:
- sort IPv4 addresses to start
- sort IPv6 addresses to end
- in-place reverse the IPv6 addresses

benizi/dotfiles,benizi/dotfiles,benizi/dotfiles,benizi/dotfiles,benizi/dotfiles,benizi/dotfiles,benizi/dotfiles,benizi/dotfiles