change default return value of string processing
change default return value of string processing

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