2.1

Enhancements

• Add watchOS support. (#96, #98, #107)
• Inject Xcode path into the CommonCrypto modulemaps, to support non-standard Xcode locations. (#92, #101)

Other Changes

• Clean up project configuration and build settings. (#95, #97)
• Improve instructions and project settings to make setting up a new clone easier. (#104)
• Add tests for validation and parsing failures. (#105)
• Improve documentation comments. (#108)
• Refactor the Keychain tests to remove excessive nesting. (#109)