Dealing with persistency of objects just created with no attribute/ref change
Dealing with removal from a container.
Force Path Reset on SetRoot
Enable lookup to return null
Fixing generation of Path
Adding notify for new elements
Fix Lookup
Fixing origin Path
Protecting loaded elements with bad path
Protecting against persistance of elements not related to a root
cleaning
Merge remote-tracking branch 'origin/master'
fixing moving of element in containment tree