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* feat: add option for .cloudfiles/secrets instead of .cloudvolume/secrets
* docs: add credential info to the README
* fix: make sure to specify aws default region
* fix: use pbr correctly
* fix: use setup.py to add [test] option
* fix: use automated\_test.py
* fix: add pytest to dev requirements
* fix: install moto in travis environment
* test: add s3 mock testing
* fix: makes sure content is set during error conditions
* docs: add endpoint
* docs: describe motivation
* feat: add ability to control s3 endpoint