Fix: MAGN-683 Switching tab eventually causes crash in undo
Fix for Dynamo Crashing when node preview is being mouse-overed (MAGN-497).
Add transform basis x,y, and z.
Updates to NodeDumper.
Don't put spaces before units symbols. It kills the regex.
Merge branch 'master' into MAGN683
Added IsDisconnected property to reflect state of ViewModel.
Add curve-plane intersection.
Add line by start point direction and length.
Add plane from reference plane.
Add transform origin node.
Bail out of viz manager update if controller has been nulled.
Added 8 teste cases which was generated from the defect.
Merge pull request #727 from Benglin/MAGN683

Fix: MAGN-683 Switching tab eventually causes crash in undo
Merge pull request #728 from SkyApple/InfoBubbleFix_Master

Fix for Dynamo Crashing when node preview is being mouse-overed
Merge pull request #739 from riteshchandawar/master

Added 8 teste cases which was generated from the defect.
MAGN-709. Fix for multi-out inside custom nodes.
Merge branch 'master' of github.com:ikeough/Dynamo
Add UpdateValueCore method to Integer Slider.
Add a couple of reference plane tests.