Update TWINE_PASSWORD secret for PyPI publishing

Merge pull request #101 from DeepLabCut/v1.0.4

V1.0.4

Merge pull request #95 from DeepLabCut/mwm/fixModelDownload

Update check_install.py

update installation bash script

Add: some classifiers for python versions (#49)

* Add: some classifiers for python versions

Update README.md

Update README.md

paper link