Merge branch 'dev' into f-mypy

src/doc/tutorials/Data-Insertion.rst

src/doc/tutorials/index.rst

src/doc/tutorials/serverside.rst

tox.ini

unittests/broken_configs/pycaosdb1.ini

unittests/broken_configs/pycaosdb2.ini

unittests/broken_configs/pycaosdb3.ini

unittests/broken_configs/pycaosdb4.ini

unittests/data/list_in_value.xml

unittests/test_acl.py

unittests/test_add_property.py

unittests/test_apiutils.py

unittests/test_authentication_auth_token.py

unittests/test_authentication_plain.py

unittests/test_authentication_unauthenticated.py

unittests/test_configs/pycaosdb-IntegrationTests.ini

unittests/test_configs/pycaosdb-empty.ini

unittests/test_configs/pycaosdb-indiscale-demo.ini

unittests/test_configs/pycaosdb-real-world-1.ini

unittests/test_configs/pycaosdb-real-world-2.ini