Change

1. Add Object Wrapper to use IMGUI if field is not supported in UIElement (See API.md)
2. Double left click asset to quickly open customized EditorWindow
3. Prevent modifying original asset when click SaveToSO
4. Add ScrollView for BlackBoard
5. Use Dropdown button to select group in setting window
6. Cache UnityEngine.Object GUID instead of instanceID, you can serialize UObject (in Editor) using Json Serialization now
7. Add Composite Stack Node, more flexible but experimental since stack node can not contain anthother stack node
8. Add Auto Layout Button, you can now quickly format layout

Notice

Should be noticed that this update will change the file structure so you should delate old version than import new version unitypackage !