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* Updated render method to adapt for Django 2.1 (PR 120, thanks skozan)
* Improved compatibility with Django 2.0, tests against Django 2.0a1 (PR 121, thanks Kondou-ger)
* Dropped support for PIL (use Pillow instead)
* Updated documentation (Fixes 122, thanks claudep)
* Test against Django 2.0b1
* Return a Ranged Response when returning WAV audio to support Safari (Fixes 123, thanks po5i)
* Optionally inject brown noise into the generated WAV audio file, to avoid rainbow-table attacks (Fixes 124, thanks appleorange1)
* Test against Django 2.0