#65 Duplicate document numbers

[Yannick Lefebvre]

When creating multiple query windows and closing some,
you end up with duplicate document numbers.

- Open the tool, you get a query called Document1
- Create two more queries, they will be numbered
Document2 and Document3
- Close Document2
- Create a new document, it will also be called
Document3. You now have two queries called Document3.

This is in version 3.0.0.20.