Fix URI harvesting for provider URIs
Fix URI harvesting for provider URIs

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