Migrates tree_id from an `Integer` to `Unicode(32)`#53

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markroper wants to merge 7 commits intouralbash:masterfrom markroper:master

+922-784

Commits on Jul 18, 2016

Migrates tree_id from an int value thats managed in application code to a Unicode(32) so that tree IDs can be generated as GUIDs in application code and be thread safe.
Mark Roper
committed
Resolves an unhandled case where tree_id was still being treated as an integer.
Mark Roper
committed
Updates test cases to query for the tree_id GUIDs rather than assuming they're incremental integers.
Mark Roper
committed
Updates a test to confirm that re-querying for nodes after they've been moved resolved the incongruous tree_ids.
Mark Roper
committed
Fixes bug in insert_after vs. insert re: new tree_id guid assignment.
Mark Roper
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Repairs additional test cases.
Mark Roper
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Updates remaining broken tests
Mark Roper
committed