22.0
Bump version to 22.0
Drop support for python 2.7, 3.4, and 3.5 (#376)
Refactor ELF parsing logic to standalone class (#553)
Permit arbitrary whitespace around versions specifier in parenthesis
Codebase modernisation (#464)
Enforce word boundaries in operators and names
Add `ParserSyntaxError` as the cause of `Invalid{Requirement/Marker}`
Package type information
Make arbitrary version matching accept what `LegacySpecifier` did
Add a "cpNNN-none-any" tag (#541)
Fix compatible version specifier incorrectly strip trailing '0' (#493)
Rework the version documentation