v0.4.4

What's Changed

• fix header by @HDembinski in #2
• Code reorganisation by @HDembinski in #3
• init by @HDembinski in #5
• init by @HDembinski in #6
• missing weight interface + new tests of weights and io by @HDembinski in #7
• switch to original hepm3 conversion code by @HDembinski in #8
• update of hepmc3 to latest master by @HDembinski in #10
• Azure DevOps pipeline for building binary wheels by @afedynitch in #12

Full Changelog: v0.4.2...v0.4.4