* Add testWhoisNumerics, to check Modern exhaustively covers known numerics
* ircu2: Workaround for server name in testWhoisNumerics.
* testWhoisUser: Work around ircu2 restrictions on nick and username
* testWhoisNumerics: Add variant with authenticated user
* testWhoisNumerics: Add support for RPL_AWAY and RPL_WHOISSPECIAL
* testWhoisNumerics: Add variant where the WHOIS sender opers up first
* testWhoisUser: Also test with targets
* inspircd: Fix oper configuration
* Fix RPL_WHOISACTUALLY matching for Unreal.
* Fix Hybrid support + enable it on CI
* Can't make Hybrid linking work on Github CI
because the reverse DNS is 'cpu-pool.com' for some reason, and I don't
want to hardcode it, so I give up.
* Change pid file across start (so it does not complain if not properly terminated)
* Don't limit number of users (it someone remembers number of connects across restarts, but I can't figure out how).