Support multiple keywords for textfilter

• "," as spliteer.
• Remove the support of py2.7

Expose query_params for flexibility

Now you can access the query_params of Django filters and make your own query.

0.4.7

ignore empty string in birthday filter

v.0.4.6

Adjust graphene require version.

NumberRangeFilter for django

Implement NumberRangeFilter on_django_query.

v0.4.4

Allow empty query and take it as one of the query condition

v0.4.3

Improve datetime filter

• handle query filter only send date in 'end'.

v0.4.2

🎉🎉🎉 Django queryset supported! 🎉🎉🎉

v0.3.1

Allow newer version of graphene

v0.3.0

Provide GraphQL schema via graphene