* 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.
* Remove some 'Ergo' marks
These are not ergo-specific specs
* Make chathistory test less Ergo-specific
Although they can only run on Ergo for now, as Unreal has a couple
of minor bugs that prevents them from passing.
* Fix synchronization issue
(NickServ sets MODE +r, which is unexpected caught by the next
self.assertMessageMatch call)