issue #20044: Introduce concept record versioning
issue #20044: Remove debug code.
issue #20044: Add trigger that will increment version numbers whenever a record is updated.
issue #20044: Fix trigger to work on inserts and deletes.
issue #20044: Separate business logic from trigger function so we can call it from a view.
issue #20044: Add update version function to quote view.
issue #20044: Fix bugs in orm install. Move version update to trigger on quhead.