Update HWF generator
Update HWF generator

Replace hex with an extended character set with no
ambiguities. "3 4 6 7 9 A C D E F G H J K L M N P Q R T V W X Y"

ministryofjustice/fr-staffapp,ministryofjustice/fr-staffapp,ministryofjustice/fr-staffapp,ministryofjustice/fr-staffapp