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* Warn against using REUSE_DB=1 and FastFixtureTestCase in docs
* REUSE_DB=1 uses new transaction management in Django 1.7, 1.8 (scottsexton)
* Try to avoid accidentally using production database with REUSE_DB=1 (alexjg, eroninjapan)
* Supported Django versions limited to current supported Django version 1.4,
1.7, and 1.8, as well as relevant Python versions.