Just published the changes to codeplex. Link to the related changes:
https://compositec1.codeplex.com/SourceControl/changeset/28896#CompositeC1/Composite/C1Console/Trees/TreeSharedRootsFacade.cs
https://compositec1.codeplex.com/SourceControl/changeset/28896#CompositeC1/Composite/C1Console/Trees/TreeSharedRootsFacade.cs