Merge branch 'dev' of gitlab.indiscale.com:caosdb/src/caosdb-crawler into dev

CHANGELOG.md

integrationtests/test_crawler_main.py

...ntests/test_data/crawler_main_with_list_of_dirs/cfood.yml

...ts/test_data/crawler_main_with_list_of_dirs/dir1/.gitkeep

...ts/test_data/crawler_main_with_list_of_dirs/dir2/.gitkeep

...test_data/crawler_main_with_list_of_dirs/identifiable.yml

integrationtests/test_issues.py

src/caoscrawler/cfood-schema.yml

src/caoscrawler/converters/converters.py

src/caoscrawler/crawl.py

src/caoscrawler/scanner.py

src/doc/converters/standard_converters.rst

unittests/test_cfood_metadata.py

unittests/test_converters.py

unittests/test_crawler.py

unittests/test_macros.py

unittests/test_scanner.py

unittests/test_utilities.py