v0.6: 👓 0.6

+ New: Partial debug scope!
+ New: Informational box about mesh statistics
+ New: material for each debug shaders
+ New statistics and fix some caching issues
+ Show warn box when debugging too much verts/tris with floating GUI
+ Set IMGizmos as ScriptableObject (so that it serialized properly)
+ Remove models (will be gitignored)
+ Unity downgrade to 5.6