- documentation - removed extension that breaks [readthedocs.org](https://readthedocs.org/) builds
1.0.12
- documentation - updated [steenzout.sphinx](https://github.com/steenzout/python-sphinx/) version - regenerated documentation based on [steenzout.sphinx](https://github.com/steenzout/python-sphinx/) templates - apidoc is now auto-generated
1.0.10
- documentation - use [steenzout.sphinx](https://github.com/steenzout/python-sphinx/) to generate documentation - renamed version module to metadata - added extra attributes to the metadata module
1.0.8
- added `steenzout.object.Object.__str__` function - added `six` as a test dependency
1.0.6
- added `Singleton` meta class
1.0.4
- added `Object.__repr__` - documentation theme changed to `sphinx_rtd_theme` - renamed the test and documentation requirements files