Pyhepmc

What's Changed
* prettier visualization by HDembinski in https://github.com/scikit-hep/pyhepmc/pull/28


**Full Changelog**: https://github.com/scikit-hep/pyhepmc/compare/v2.4.0...v2.4.1

What's Changed
* handle invalid particles and events without history by HDembinski in https://github.com/scikit-hep/pyhepmc/pull/27


**Full Changelog**: https://github.com/scikit-hep/pyhepmc/compare/v2.3.0...v2.4.0

What's Changed
* more flexible open function, support for convertible events by HDembinski in https://github.com/scikit-hep/pyhepmc/pull/26


**Full Changelog**: https://github.com/scikit-hep/pyhepmc/compare/v2.2.0...v2.3.0

What's Changed
* Fix of repr for GenParticle, GenVertex by HDembinski in https://github.com/scikit-hep/pyhepmc/pull/23
* Fix of pyhepmc.open, improved visualization HDembinski in https://github.com/scikit-hep/pyhepmc/pull/24

**Full Changelog**: https://github.com/scikit-hep/pyhepmc/compare/v2.1.1...v2.2.0

What's Changed
* Minor fixes to restore wheel production by HDembinski in https://github.com/scikit-hep/pyhepmc/pull/22

**Full Changelog**: https://github.com/scikit-hep/pyhepmc/compare/v2.1.0...v2.1.1

What's Changed
* Adds GenEvent.from_hepevt by HDembinski in https://github.com/scikit-hep/pyhepmc/pull/20

New Contributors
* eduardo-rodrigues made their first contribution in https://github.com/scikit-hep/pyhepmc/pull/18

**Full Changelog**: https://github.com/scikit-hep/pyhepmc/compare/v2.0.0...v2.1.0