Reverse-sort delete operations, fix for same-name siblings
Added unit test for deleteNodes (focusing on ordering)
Added one more test path for testDeleteNodes
Enabled tests for SameNameSiblings chapter
Added/tweaked data for testDeleteNodes
Renamed 'name' variables to 'path' in deleteNodes()
Merge pull request #42 from fazy/delete-sns-nodes

Reverse-sort delete operations, fix for same-name siblings