Added elapsed command.
Added elapsed command.

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