Changes for 1.5.13
- Fixed GraphObject.isActionable items being erroneously clickable through other non-actionable Parts.
- Diagram.makeSVG now uses globally unique identifiers for its elements so that SVG from makeSVG can be used multiple times in the same page.
- Fixed DraggingTool movement of a Node with a half-connected Link when DraggingTool.isGridSnapEnabled is true.