add a well-maintained and tested csvToArray parser

Signed-off-by: Jim Klo <jim.klo@sri.com>
make CSV export follow RFC4180

Signed-off-by: Jim Klo <jim.klo@sri.com>
resolve duplicates for multi-select

Signed-off-by: Jim Klo <jim.klo@sri.com>
make CSV import work more reliably

Signed-off-by: Jim Klo <jim.klo@sri.com>