V4.0

- Changed status from In Development to Released.

- Added shop.

- Added Piercing Book (Allows your arrows to go through enemies).

- Added Health Potion (Instantly regenerates 15% health).

- Added Speed Potion (Doubles your speed for 10 seconds).

- Added highest level tracker.

- Added game over screen.

- Fixed cooldown bug that would permanently disable your ability to shoot.

- Fixed chest bug that wouldn't allow chests to spawn.