Added documentation to PhantomPoll.
Added documentation to PhantomPoll.

chmac/scraperjs,chmac/scraperjs,richard512/scraperjs,nkchouhan/scraperjs,ruipgil/scraperjs,jay3126/scraperjs,expertmaksud/scraperjs,nkchouhan/scraperjs,KnightWind/scraperjs,Nishi-Inc/scraperjs,ruipgil/scraperjs,jay3126/scraperjs,richard512/scraperjs,expertmaksud/scraperjs,Nishi-Inc/scraperjs,KnightWind/scraperjs,hitesh97/scraperjs,Denniskevin/scraperjs,Denniskevin/scraperjs,hitesh97/scraperjs