0.2.1.0
Core
- Expression node optimizations 
Scene
- Made ShaderAssignment use the shader type as an attribute name. 
- Added Group::nextInPlug() method 
- InteractiveRender now updates all attributes, not just shaders 
UI
- Dispatcher FrameRange UI displays the value that will actually be dispatched. 
- Removed unwanted horizontal padding from frameless Buttons.