keep cache parameter around for re-instantiation
keep cache parameter around for re-instantiation

fgregg/scrapelib,dvogel/scrapelib,arowla/scrapelib,olberger/scrapelib,JoeGermuska/scrapelib,jamesturk/scrapelib,fgregg/scrapelib,arowla/scrapelib,sunlightlabs/scrapelib,olberger/scrapelib,h4ck3rm1k3/scrapelib,h4ck3rm1k3/scrapelib,pombredanne/scrapelib,dvogel/scrapelib,JoeGermuska/scrapelib