DEMO RELEASE, AS WELL AS NEW PATCH UPDATE

- Bug fix for winning as soon as last wave appears
- Bug fix for game over & win screen appearing at the same time
- Bug fix for upgrade screen appearing when using Move Delaney spell
- Bug fix for casting spells on stairs
- Bug fix for Move Delaney spell
- Added 'X' button to in-game pop-up screens
- Added VR controls screen on main menu
- Removed skull icon above VR player's head
- VR player weapons now do half damage to heavy enemies, instead of no damage
- Health can no longer go below 0
- Changed buying cost from '$' to crystals (for consistency)
- Can now click entire tower to cast Move Delaney spell, not just tower top