Changelog
* Fix import issue with `GraphQLTestCase`
* Stores the GraphiQL query in the URL fragment, rather than the query, so that sensitive data won't be logged to web server logs. 508
* Moves GraphiQL JS to a separate file to enable stricter Content Security Policies. 508
* Fix parameter order 526
* Provide a way to dump schema to stdout 512
* Removed old Django compatibility code 619
* Added staticfiles to MANIFESTS.IN 601
* Update GraphiQL to use 0.13.0 646
* Change `__debug` to `_debug` to avoid conflicts 646
Documentation improvements
* Django debug types 513
* Updated cookbook examples to be compatible with Django 2.1
* Improved testing documentation 608
* Vastly improved documentation throughout.