- if given name is a special attributes, update corresponding attribute instead of creating a new property
- Add test for https://gitlab.com/linkahead/linkahead-pylib/-/issues/134
- Update changelog

- Added a visited_entities parameter to save all Entities already treated in to_xml. New calls to to_xml are checked against this to identify potential infinite recursion
- Added test
- Updated changelog

This reverts commit 2727ff2e.

This reverts merge request !137