Edit version in package.json
Edit version in py3dmol/__init__.py and setup.py
Push change
In github, draft new release
Give identical version, numbers only, no "v"

npm publish should happen automatically

once release is on cdn, update py3dmol 
rm dist/*
python setup.py sdist bdist_wheel --universal
twine upload dist/py3Dmol-2*

#authentication info is in $HOME/.pypirc
