fix bug causing get_students to not properly format student name if first/last is not separated by a comma AND a space. This leads into another bug if a students name in CSV as middle initial, putting a space and (maybe) a period in/at end of filename, causing invalid filename error
fix bug causing get_students to not properly format student name if first/last is not separated by a comma AND a space. This leads into another bug if a students name in CSV as middle initial, putting a space and (maybe) a period in/at end of filename, causing invalid filename error