Tests:
1. go to svviz/tests directory
2. python runTests.py
    - TODO: automate resetting regression tests
    - regenerate input data using save_rendertest_states.sh
    - regenerate output by clearing tests/*.svg 
    - regenerate output using -f command-line option to svviz/src/svviz/testCounts.py

Check docs:
1. update changelog.rst (check version number)
2. cd docs/
3. update versions in conf.py
4. make html
5. check output

Upload to pypi
1. rm -r dist/*
2. update __version__ in src/svviz/__init__.py
3. tag, commit and push release
4. cd tests; ./run_github_test.sh
5. python setup.py bdist_wheel sdist
6. twine upload -r pypi dist/*