* Add travis testing support for python 3.8
* Use Xenial for all
* Simplify matrix
* Consistent indents
* Add py38 to tox and update contributing guide for how to use pyenv
* Fix travis spec to allow 3.8-dev to fail and tox should pass 90% coverage for full suite
* Collect and aggregate code coverage across all test environments
Add Coveralls badge to readme
Try CodeCov integration
Setup coverage badge for CodeCov
Fix CodeCov Badge
* Set code coverage regression threshold
Attempt to cache bust some boto3 issues on TravisCI
* Disable legacy secure strings
* Skip boto3 tests on TRAVIS_PULL_REQUEST due to credentials being unavailable
Address flake8 issues
Debug TRAVIS_PULL_REQUEST ENV Var
Trying to get boto3 tests to skip on forked PRs
boto3 is not an allowed failure
remove TRAVIS ENV debugging
* remove pytest skipif that wasn't working
* Ignore coverage files
This refactoring includes some PEP-8 compliance changes, as well as some more
complete testing to ensure that we're in fact serving everything out of
cassettes when we thing we are.
Incidentally, it also includes fixes for #3 and #4