- Merge windows requirements into requirements.txt and requirements-extra.txt
- Update tox.ini to always use build.py
- Update build.py to have module only option
- Update tox.ini to text python 3.9
- Update .travis.yml to test 3.8 and 3.9 on newer Ubuntu LTS
-Update .travis.yml to work with changes to windows tox
(also update windows to 3.8)
- Remove references to submodules as they are no longer used
- Update top level readme with more recent status
- Update travis configuration to use python 3.7 instead of latest for now