Add dates to test OAI harvester
Add dates to test OAI harvester

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