allow one value in range filter
Merge https://github.com/alex/django-filter into develop
allow one value in range filter
allow one value in range filter, all tests pass
Merge branch 'develop' of https://github.com/alex/django-filter into 159
Add test cases for min-only and max-only limits
Add examples for Min/Max only usage to docs.
Merge pull request #190 from carltongibson/159

Allow Min/Max-Only use of RangeFilter