Fixed #2 - Don't return a 404 if there is a sitemap URL but no rules.
Fixed #2 - Don't return a 404 if there is a sitemap URL but no rules.

jezdez/django-robots,freakboy3742/django-robots,jscott1971/django-robots,jscott1971/django-robots,philippeowagner/django-robots,jazzband/django-robots,freakboy3742/django-robots,pbs/django-robots,philippeowagner/django-robots,gbezyuk/django-robots,gbezyuk/django-robots,amitu/django-robots,jazzband/django-robots,pbs/django-robots,amitu/django-robots,pbs/django-robots,jezdez/django-robots