Allow callables to be passed in alone. Will be called with the doc
Allow callables to be passed in alone. Will be called with the doc

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