Fixed incorrect long description type in setup.py.

Removed bdist_wheel.

Create python-publish.yml

Supported Python 3

Tested under Python 2.7 and Python 3.5.

Fixed typo.

Updated version to 0.2.1.

Fixed description issues when uploading to PyPI.

- Support extracting version from __init__.py.
- Convert README.md to ReST format which can be recognized by PyPI.

Release v0.1.1-alpha.

Fixed download URL issue.

Setup PyPI environment.