- Created RomFile base class to be extended by classes such as TextArchive, EventFile, Matrix etc.
- Added wrench button to WildEditor, to fix broken encounter files [whenever possible]
- Encounter editor now allows adding and removing encounter files
- Fixed Building Editor and Wild Encounter editor (top bar) not loading NARC
- Fixed Matrix editor "add" and "remove" buttons GUI numbering mismatch
- the "Open Wild Pokémon" button in Header Editor is disabled when a NULL encounter file is detected
