Version 0.0.20 release (di#56)

Add boto dependency as s3 extra (di#46)

* Gracefully fail if boto is not present

* Add s3 extra

* Aggregate coverage runs

* Version bump

Fix NotEmptyValidator logging (di#40)

* Fix tox setup

* Add failing tests

* Handle returning a bool instead of an iterable for self.bad

* Make NotEmptyValidator return a boolean from self.bad when it has failed

* Version 0.0.17 release

RangeValidator updates (di#38)

* Add failing test

* RangeValidator should handle invalid values

* Version 0.0.16 release

New validators (di#37)

* Add RangeValidator

* Add NotEmptyValidator

* Add tests for new validators

* Fix formatting

* Update docs

* Bump version

* Ignore more directories when linting

* Fix new linting errors

Version 0.0.14 release (di#34)

Version 0.0.13 release (di#32)

* Update README with percentages, contributors

* Version 0.0.13 release

Version 0.0.11 release

Version 0.0.10 release

Version 0.0.9 release