Merge branch 'dev' into f-docs-pylib

.gitlab-ci.yml

CHANGELOG.md

DEPENDENCIES.md

FEATURES.md

README.md

README_SETUP.md

RELEASE_GUIDELINES.md

setup.py

src/caosdb/apiutils.py

src/caosdb/common/administration.py

src/caosdb/common/models.py

src/caosdb/common/utils.py

src/caosdb/connection/__init__.py

src/caosdb/connection/connection.py

src/caosdb/connection/encode.py

src/caosdb/connection/mockup.py

src/caosdb/connection/utils.py

src/caosdb/high_level_api.py

src/caosdb/utils/plantuml.py

src/doc/conf.py