Update categories/templatetags/category_tags.py

Added str() to line 49 to fix an error where .strip("'\"") in get_category is getting called on a non-string category_string.
Update categories/templatetags/category_tags.py

Added str() to line 49 to fix an error where .strip("'\"") in get_category is getting called on a non-string category_string.
Update categories/templatetags/category_tags.py

Added NoneType check to display_drilldown_as_ul on line 188 to fix NoneType error.
Merge pull request #63 from iepathos/patch-1

Update categories/templatetags/category_tags.py
Merge pull request #64 from iepathos/master

Fixed NoneType error in templatetags
1.5 compat: remove adminmedia templatetag calls

See https://docs.djangoproject.com/en/1.5/releases/1.5/#miscellaneous
Made it so django-categories works with Django 1.5 and Grappelli 2.4.4
Merge pull request #66 from epicserve/grappelli_django_1.5

Made it so django-categories works with Django 1.5 and Grappelli 2.4.4
Merge pull request #65 from yohanboniface/1.5

1.5 compat: remove adminmedia templatetag calls
Added customization of admin fieldsets
german translation
i18n
Added admin settings documentation
Updating the admin template to support the latest django admin code
Fixing a merge conflict
Fix for Django 1.5: {% url %} parameter needs to be quoted
Fixing a few minor Django 1.5 incompatibilities
Version bump 1.2
Merge branch '1.2'
Load I18N templatetags