PhotoSize models now throw an exception if defined with a zero heigth and width.
PhotoSize models now throw an exception if defined with a zero heigth and width.

strakh/django-photologue,glogiotatidis/django-photologue-ng,praekelt/django-photologue,WebReply/django-photologue,praekelt/django-photologue,unomena/django-photologue