fix uris, author emails and authors split algorithm
fix uris, author emails and authors split algorithm

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