TiApp Editor: module editor window has entry that causes module to remove from project.
1. Open Mobile Project.
2. Use TiApp Editor to add module (plus icon).
3. Use TiApp Editor to edit module (pencil icon, or double-click).
4. Select "---" from version list and commit the edit (OK).
The module disappears. There is no scenario in which this is valid user experience.
There exists a red "x" to delete a module as needed.
There is no "---" entry in the module version list that causes the module to remove.