- Optimise as much as possible, it's a bit slow sometimes.
- Remove jQuery dependency.
- Remember expanded/collapsed folder states when navigating away from page.
- Hide the Sitemapper file from being listed(?).
- Output something if a directory is empty.
- "Expand all" animations glitch out a bit after > 2 nested folders.
- Lack of permissions to scan directory leads to directory being listed as empty.
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