* Support pre-releases via new SemanticVersion. Fixes#64905
* Don't treat buildmeta as prerelease
* Don't inherit from str and int
* Add helper method to try and construct a SemanticVersion from a LooseVersion
* Don't count major 0 as pre-release, it's different
* Guard against invalid or no version in LooseVersion
* return a bool
* Add integration tests for pre-release
* Fix up lingering issues with comparisons
* typo fix
* Always allow pre-releases in verify
* Move pre-release filtering into CollectionRequirement, add messaging when a collection only contains pre-releases
* Update changelog
* If explicit requirement allow pre releases
* Enable pre-releases for tar installs, and collections already installed when they are pre-releases
* Drop --pre-release alias, make arg name more clear
* Simplify code into a single line
* Remove build metadata precedence, add some comments, and is_stable helper
* Improve from_loose_version
* Increase test coverage
* linting fix
* Update changelog
