-------------------
- Clean up docstrings and launch documentation site.
(`43 <https://github.com/treasure-data/pytd/pull/43>`__, `#44 <https://github.com/treasure-data/pytd/pull/44>`__)
- Disable ``type``, one of the Treasure Data-specific query parameters, because it is conflicted with the ``engine`` option.
(`45 <https://github.com/treasure-data/pytd/pull/45>`__)
- Add `td-pyspark <https://pypi.org/project/td-pyspark/>`__ dependency for easily accessing to the `td-spark <https://treasure-data.github.io/td-spark/>`__ functionalities.
(`46 <https://github.com/treasure-data/pytd/pull/46>`__, `#47 <https://github.com/treasure-data/pytd/pull/47>`__)