Fixed the problem where country abbreviations that match USA State abbreviations will never be found.
Fixed the problem where country abbreviations that match USA State
abbreviations will never be found.

Arizona seemed to be missing from our _realStates set.  It's in there now.

Added a _mapCountries to map 'obviously' debatable country abbreviations.
(Just have uk->gb in there at the moment.  I probably missed a few).

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