get rid of URL as posibility for doc id
get rid of URL as posibility for doc id

mehanig/scrapi,felliott/scrapi,erinspace/scrapi,felliott/scrapi,fabianvf/scrapi,jeffreyliu3230/scrapi,CenterForOpenScience/scrapi,icereval/scrapi,alexgarciac/scrapi,mehanig/scrapi,fabianvf/scrapi,ostwald/scrapi,erinspace/scrapi,CenterForOpenScience/scrapi