Implemented pdnssec_hash_zone_record() utility function.
Implemented pdnssec_hash_zone_record() utility function.

gnotaras/django-powerdns-manager,d9pouces/django-powerdns-manager,kumina/django-powerdns-manager,d9pouces/django-powerdns-manager,kumina/django-powerdns-manager,gnotaras/django-powerdns-manager