Added initial node cloning implementation
CloneMethodsTest now uses the 10_Writing/copy fixtures
Separate fixtures for clone tests; test removeExisting
Added 'additional workspace' fixtures
Work around problem with removeExisting set to false
Improved clone tests and added UUID
Added tests for node->update() method
Small fixes following PR comments
Finished tests for getCorrespondingNodePath()
clone tests: removed @todo, removed a LogicException test
Merge remote-tracking branch 'fazy/node-cloning'
have workspace option for import, use that in clone methods test. try to create missing workspaces