Updated to v18.
It can no longer crash while copying over files.
You can get this update exclusively through the Universal Plugin Installer (v2).
Updated to v1.1:
More backup options: Graphics/Pictures, Graphics/Autotiles, Graphics/Tilesets, Audio/BGM, Audio/BGS, Audio/ME, Audio/SE, Graphics/Icons (And still the normal Maps, Scripts, and PBS)
You can manually choose a folder to make the backups in (can be relative to the game project or a full path (e.g. "Backups" or "C:/Users/....../Desktop/Backups)