Fixed bug with reloading of sets module.
Fixed bug with reloading of sets module.

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