F fix compare entities branch2

Summary

This is a fix for #81 (closed) .

Focus

I added a statement analogous to existing statements for datatype and importance that compares the values of the entities.

Test Environment

I added a unit test in test_apiutils.py.

Issue #81 (closed) contains a script for testing it manually.

Check List for the Author

• All automated tests pass
• Reference related Issues
• Up-to-date CHANGELOG.md
• Add type hints in created/changed code
• Annotations in code (Gitlab comments)
  • Intent of new code
  • Problems with old code
  • Why this implementation?

Check List for the Reviewer

• I understand the intent of this MR
• All automated tests pass
• Up-to-date CHANGELOG.md
• The test environment setup works and the intended behavior is reproducible in the test environment
• In-code documentation and comments are up-to-date.
• Check: Are there spezifications? Are they satisfied?

src/caosdb/yamlapi.py

@@ -98,7 +98,7 @@ def yaml_to_xml(yamlstr):
         The string to load the yaml document from.
 
     """
-    return dict_to_xml(yaml.safe_load(yamlstr))
+    return dict_to_xml(yaml.load(yamlstr, Loader=yaml.SafeLoader))
 
 
 def process(text):