An extension, which can be used with Base.build to add the ability to constrain

XY positioning for a widget to the viewport, or to another node. Also provides

"preventOverlap" support, to prevent the widget from overlapping the node to

which it is aligned (when using widget-position-align).

3.3.0

* No changes

3.2.0

* No changes

3.1.1

* No changes

3.1.0

* Initial release