DOC: Changelog and source code doc updated.

CHANGELOG.md

@@ -20,6 +20,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed ###
 
+- Detection for cyclic references when converting entites using the high level API.
+
 ### Security ###
 
 ### Documentation ###

unittests/test_high_level_api.py

@@ -649,4 +649,6 @@ def test_cyclic_references():
     r1.add_property(name="ref_to_two", value=r2)
     r2.add_property(name="ref_to_one", value=r1)
 
+    # This would have lead to a recursion error before adding the detection for
+    # cyclic references:
     r = convert_to_python_object(r1)