Upgrade to release 1.5.2:
- Add formal support for Python 3.8
- Remove formal support for Python 3.4
- Switch from Travis to GitHub actions
- Made tests pass flake8 for Python 2.7
Signed-off-by: Leon Anavi <leon.anavi@konsulko.com>
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>