0.4.2

It's been a long time. This release mostly just works around an issue with the Swift 6 beta standard library.

What's Changed

• Port setter should not throw if setting a nil port to a URL which doesn't support a port by @karwa in #177
• Work around a source compatibility break in the Swift 6 stdlib by @karwa in #189

Full Changelog: 0.4.1...0.4.2