Release 0.7.4 (fix random test failures
Release 0.7.4 (fix random test failures

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