Ladybug
1. Sunpath
- devang has refined Ladybug's Sunpath algorithm to generate the same results as NOAA solar calculator. There was less than a degree of difference in the calculation [which is now fixed](https://github.com/ladybug-tools/ladybug/pull/32/commits). Shout out to PaulWintour for reporting this issue.
2. Import EPW
- Several improvements has been made to EPW class to handle edge cases and handle non-standard epw files. Shout out to Federico587 for reporting these issues.
Documentation
1. **Contributing**: Ladybug Tools now [has a repository for contributing to the project](https://github.com/ladybug-tools/contributing). The repository [code of conduct](https://github.com/ladybug-tools/contributing/blob/master/CODE-OF-CONDUCT.md), and [contributing guidelines](https://github.com/ladybug-tools/contributing/blob/master/README.md#contributing-to-ladybug-tools-projects).
2. **Python code style**: All the code for the plugins is now following [PEP8](https://www.python.org/dev/peps/pep-0008/). You can read more about the Python style guide for Ladybug Tools [here](https://github.com/ladybug-tools/contributing/wiki/python-style-guide).
3. **API documentation**: API documentation for the libraries are updated and are available at links below:
- ladybug: http://www.ladybug.tools/apidoc/ladybug/
- honeybee: http://www.ladybug.tools/apidoc/honeybee/