v2.0.2-beta.4

• Fix TypeScript error when using DynamicNode (#246)
• Add user-select webkit vendor prefix (thanks @stevensona)
• Save panning and scaling for the root graph (#261)
• Fix slider percentage calculation in SliderInterface (thanks @mleonowicz)
• Add utility functions for getting and setting node positions: getNodePosition | setNodePosition (#284)
• Export the NodePalette component (#287)
• Create rename events for nodes (#281) (potentially breaking if you're overriding the title property when subclassing AbstractNode or Node<I, O>)
• Allow setting the width of the sidebar and making it not resizable (#283)
• Fixed pressing delete key deleting nodes when input is selected (#252)