Fixed spurious exception atexit.
Fixed spurious exception atexit.

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