Re-enabled ircutils.nick under a new name (IrcString) and for a different purpose (to make IrcDict and IrcSet work properly).
Re-enabled ircutils.nick under a new name (IrcString) and for a different purpose (to make IrcDict and IrcSet work properly).

jeffmahoney/supybot,buildbot/supybot,mazaclub/mazabot-core,Ban3/Limnoria,haxwithaxe/supybot,ProgVal/Limnoria-test,ProgVal/Limnoria-test,kblin/supybot-gsoc,Ban3/Limnoria,raboof/supybot,frumiousbandersnatch/supybot-code,mazaclub/mazabot-core,prashantpawar/supybot-rothbot