fix customer ordering by email
do not fail when country_iso is None
limit max lenght of variant slug and attachment title
fix saving variants (MultipleObjectsReturned) when multiple values are bound to filter property
style
handle no referrer
Merge branch 'master' of github.com:diefenbach/django-lfs
use count instead of len
striptags from short description metatags
Merge branch 'master' of https://github.com/diefenbach/django-lfs
prevent TypeError in range() with float step argument.