Added tests to reflect the changes to pluralize() and depluralize()
Added tests to reflect the changes to pluralize() and depluralize()

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