Linking project plans together..?

@DmitryBarashev I was thinking about this point, too (and other people either: Can u include one project in another?). Up to now, I’m exporting as .png and manage all projects in my DTP software on a timeline (which I create with GanttProject either). This is not the best way to handle this, I know. But handling a all-in .gan file for all projects isn’t either!

So my question to you:
Would it be easy to extend the import feature a bit? Up to now I can only import one .gan file at once. If I could import as many .gan files as I select in the order of the selection, one could easily create a »master project plan« from all sub project files.
Or could there be a »import multiple .gan files« plugin to GanttProject?

Thanks, Tobias