Bug 9192: let UNIMARC_sync_date_created_with_marc_biblio.pl create fields if needed

Bug 9192: let UNIMARC_sync_date_created_with_marc_biblio.pl create fields if needed

Prior to this patch, this script would only modify the date
created and modified fields; this patch changes the behavior
so that the fields can be created if they're not already present
in the record.

Signed-off-by: Chris Cormack <chrisc@catalyst.net.nz>
Signed-off-by: Mason James <mtj@kohaaloha.com>
Bug 9192: UNIMARC_sync_date_created_with_marc_biblio.pl field creation (followup)

Add tests :
if field < 10 it must not have a subfield
if field > 9 is must have a subfield

Signed-off-by: Bernardo Gonzalez Kriegel <bgkriegel@gmail.com>
Both patches applied, no koha-qa errors.

Bug 9192: followup fix typo

Fix typo on usage message.

Signed-off-by: Bernardo Gonzalez Kriegel <bgkriegel@gmail.com>
Signed-off-by: Paul Poulain <paul.poulain@biblibre.com>
Signed-off-by: Galen Charlton <gmc@esilibrary.com>