1.2.2

Fix on OSX PreferencesTabViewController

1.2.1

Switch available for Preference<T> with T Equatable or comparable in range

1.2.0

Add Preference<T> where T is the type of value for a specific preference key
Operators can be applied to MutablePreference<T> to modify preferences

1.1.0

Add keychain support

0.0.2

Initiale release