New Nodes & Improvements

• allow actor/event nodes to define if the event is emitted from the canvas or the document. This improves the following nodes:
  • actor/cursor
  • actor/onObjectClick
  • actor/onObjectHover
  • actor/onObjectPointerdown
  • actor/onObjectPointerup
  • actor/onPointerdown
  • actor/onPointerup
  • actor/rayFromCursor
• add actor/cursor
• add actor/negate
• add actor/onPointerdown
• add sop/setChildren

Bug fixes

• sop/hierarchy: fix add_child mode, and add multiple AddChildModes