2. Check boxes next to folders, like on the Dup Files tab, that can be toggled by click or space bar.
3. Un-mark a folder from the right click menu.
The only way I found to un-mark one thing is to un-mark everything by clicking "Refresh Folders".
4. Since "Refresh Folders" will undo all your marks, a warning box might be appropriate.
5. Suppress pop-up after marking folder (Never show this message again box?)
6. Selection Assistant for Dup Files.
At the moment, I want to select all paths containing the phrase "Do-Not-Delete"
