Automatic release of version 1.4.0
- Only conda requirements in default config. Required packages were added to conda-forge.
- Start using stable versions of cardboardlint.
- Add more requirements that were missing from default config.
- Document API with sphinxcontrib-autodoc.
- Generate files for doc from conf.py. Separate script no longer needed.
- Various website improvements.
- Fix issue with building for python != 3.7.