Added queue implementation
Added queue implementation

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