plugins/Network: Fix an information leak in Network.whois
plugins/Network: Fix an information leak in Network.whois

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