Merge branch 'dev' into f-filesystem

.gitlab-ci.yml

CHANGELOG.md

DEPENDENCIES.md

README_SETUP.md

setup.py

src/caosdb/apiutils.py

src/caosdb/connection/connection.py

src/caosdb/high_level_api.py

src/caosdb/utils/plantuml.py

src/doc/conf.py

tox.ini