Flowbber Release

Edit version:

nano .cookiecutter.json lib/flowbber/__init__.py

Update changelog in README.rst:
```
git log > the.log
nano README.rst
```

Commit, tag:

git commit -a
    chg: dev: Bumping version number to x.y.z.
git tag x.y.z

Build wheel package:
```
tox -e build
```
Push new revision and tag:
```
git push
git push --tags
```

Upload to PyPI:

twine upload --username kuralabs dist/flowbber-x.y.z-py3-none-any.whl