Added a test for empty [].
Added a test for empty [].

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