util.ip: Remove ip.bits and related code, switch to more efficient strbitop
100,000 iterations of match() on my laptop from 3.5s -> 0.5s.
For full information on our dependencies, version requirements, and
where to find them, see https://prosody.im/doc/depends
If you have luarocks available on your platform, install the following:
- luaexpat
- luasocket
- luafilesystem
- luasec