Added a return value to shrinkList, the number of things removed from the list.
Added a return value to shrinkList, the number of things removed from the list.

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