Socket: Fix race condition in SSL handshakes.
Prevent crash of httpserver in some requests. (Why? No idea.)
Fix RFC-compliance of privmsgs/notices/kicks/whois/... with list of nicks/channels are argument. Closes GH-462.
Fix traceback if supybot.errors.noCapability does not contain %s.
Karma: Fix @dump. Closes GH-457.
Fix typo.
Karma: Display the new karma when it is updated.
core: Various Python 3 compatibility fixes.