Update 4.0.1

Instead of writing what I did, I'm just going to list what HASN'T been
done

- Better GUI for battle scenes
- More modules
- Display module names and prices
- More sprites / animation
- Maybe better "highlight" UI for overworld
- Fix web build GUI
- Tech tree
- Music / SFX
- Menus
- Tutorial
- Implement force-field maneuver
- Bosses
- Invincibility after enemy contact
- Fix camera panning