* Initial commit
* Fixing unit tests
* More unit fixes
* Adding changelog fragment
* Minor refactor in Certificate.generate()
* Addressing option case-sensitivity and directive overrides
* Renaming idempotency to regenerate
* updating changelog
* Minor refactoring of default options
* Cleaning up with inline functions
* Fixing false failures when regenerate=fail and improving clarity
* Applying second round of review suggestions
* adding helper for safe atomic moves