Added test to make sure reloading sets doesn't kill the subclasses of sets.Set (which may in the future not be subclasses of sets.Set.
Added test to make sure reloading sets doesn't kill the subclasses of sets.Set (which may in the future not be subclasses of sets.Set.

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