fixes #56 by accounting for case that would produce zero rows
fixes #56 by accounting for case that would produce zero rows

ekstroem/squib,pickfifteen/squib,libbymiller/squib,libbymiller/squib,pickfifteen/squib,andymeneely/squib,ekstroem/squib,andymeneely/squib,ekstroem/squib,pickfifteen/squib