added support for retrieving information from hackernews urls
added support for retrieving information from hackernews urls

crisisking/skybot,df-5/skybot,jmgao/skybot,callumhogsden/ausbot,TeamPeggle/ppp-helpdesk,Teino1978-Corp/Teino1978-Corp-skybot,parkrrr/skybot,rmmh/skybot,olslash/skybot,ddwo/nhl-bot