FamilyInstance.SetRotation crashes at angle 270

[ghost]

Dynamo version

1.0.0 (issue also occurs in 0.9.2)

Revit version

Revit 2016

Operating system

Windows 7

What did you do?

Select model element (placed family) => FamilyInstance.SetRotation with a rotation angle of 270

What did you expect to see?

rotated family

What did you see instead?

revit and dynamo are totally hosed, hard crash

[kronz]

@andrewheumann Yep, we're on it. Here's the pull request, which should also address lots of similar set parameter issues.
#991