jt_preferences 4.0.0

Json based key-value storage with AES encryption support. Supported data types are `int`, `double`, `bool`, `String` and `Writable object`.

1.0.0 - Initial version.

1.5.0 - Set,Get,primitive types, listen key.

2.3.0 - Remove,Contains key methods.

3.0.0 - GetAll,Clear, Save object,getObject,OnConflict Strategy