5.1.0

Update to swift 5.1

Property wrapper

@Preference(key: "enabled")
  var enabled: Bool?

  @UserDefaultsPreference(key: "my.string.pref")
  var pref: String?

  @MutablePreference(preferences: UserDefaults.standard, key: "enabled")
  var enabled: Bool?

Dynamic member

UserDefaults.standard.myValue