0.57.0

• Renamed ColorPlug child names to rgba rather than xyzw (issue #133).

• File->SaveAs… menu item now adds the file to the recent files list.

• Fixed unwanted vertical expansion of color plug widgets.

• Removed the unwanted visualisation of the “name” plug on shaders in the Node Graph.

• Added NodeGraph plugContextMenuSignal() and connectionContextMenuSignal() to allow customisable right click menus for plugs and connections (issue #122).

• RenderManShader annotations are now correctly reloaded when the shader itself is reloaded.

• RenderManShader UI produces more sensible errors when bad annotations are discovered.

• Fixed parameter ordering in RenderManShader UI (issue #136).

• Fixed bug which prevented numeric plug entry fields from showing the correct value when values outside the allowable range were entered.