What's Changed
* Add catalog-info.yaml config file by skis84 in https://github.com/softagram/sgraph/pull/46
* deps: upgrade lxml to 4.9.4 by villelaitila in https://github.com/softagram/sgraph/pull/48
* API: a parse_xml_string method added, use also XML header to avoid encoding issues by villelaitila in https://github.com/softagram/sgraph/pull/47
* json export: hierarchical json format by villelaitila in https://github.com/softagram/sgraph/pull/49
**Full Changelog**: https://github.com/softagram/sgraph/compare/v3.0.1...v0.4.0