Merge remote-tracking branch 'origin/dev' into f-fix-spss-script

CHANGELOG.md

src/caoscrawler/converters/__init__.py

src/caoscrawler/converters/converters.py

src/caoscrawler/converters/rocrate.py

src/caoscrawler/converters/xml_converter.py

src/caoscrawler/converters/zipfile_converter.py

src/doc/cfood.rst

src/doc/converters/standard_converters.rst

unittests/test_converters.py

unittests/test_rocrate_converter.py

unittests/test_zipfile_converter.py