v0.3.0

Changelog

• 8ac2432 Split the deepest functions by responsibility
• 8388e3b Say what must hold in test names, not in comments
• 0fe338a Merge pull request #14 from zinrai/dependabot/go_modules/golang.org/x/crypto-0.55.0
• 0339f02 Fix the read path and collapse the four packages into main
• 56e0909 Bump golang.org/x/crypto from 0.54.0 to 0.55.0
• 0a5ee81 Add -metrics to write Prometheus metrics to a file