Django-simple-captcha

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* Fix: CAPTCHA_TEST_MODE was broken. (163, thanks ohlr for reporting)

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* Test against Django 2.2a1
* Docs: Grammar correction (160, thanks DanAtShenTech)
* Fix: Add '+' to text replacement for audio support (157, thanks geirkairam)
* I18N: Added Swedish translation (155, thanks stefannorman)
* Docs: Provide an example of custom field template (158, thanks TheBuky)

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* Add missing Jinja2 templates in the pypi packages.

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* Add support for Jinja2 templates (Issue 145, PR 146, thanks ziima)
* Cleanup, drop dependency on South (141, 142 thanks ziima)

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* Use templates for rendering of widgets (Issue 128, 134, PR 133, 139, thanks ziima)
* Always defined audio context variable (PR 132, thanks ziima)
* Test against Django 2.1a
* Updated AJAX update docs (PR 140, thanks CNmanyue)
* Fixed a typo in a variable name (PR 130, thanks galeo)

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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