Add numerics 307 and 379 to route_replies for whois
UnrealIRCd (at least version Unreal3.2.10+) sends numerics 307 and 379 on whois if the client is an IRCop.
These are non-rfc and they can be seen documented here: https://www.alien.net.au/irc/irc2numerics.html
Merge pull request #600 from NuclearW/route-reply

Add numerics 307 and 379 to route_replies for whois