Checklist for a release:

* Install packages:

dpkg-dev
dpkg-dev-el
dh-python
lintian
debhelper
python3-setuptools
python3-all
python3-pytest
python3-numpy
python3-matplotlib

* csa/version.py

* (optional) debian/changelog

* update NEWS

* make debian-package

* lintian -i python-csa_x.y.z-n_ARCH.changes

* dupload python-csa_x.y.z-n_ARCH.changes

* stage changes

* git commit -m'Release N.N.N.'

* git tag vN.N.N

* git push origin master vN.N.N
