chore: add swift_versions to podspec
fix: Target macOS 10.10 or onwards qos is not available on 10.9
Release 2.0.0 Closes #55
Release 1.3.1
Release 1.3.0
Release 1.2.1
Release 1.2.0
Release 1.1.1 Closes #33
Release 1.1.0