Improved exception handling in the ``process_zone_file`` function.
Improved exception handling in the ``process_zone_file`` function.

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