Update 4

This is the biggest update yet. It includes the following:

• Fixed an error caused by completing one of the puzzles too quickly.
• Added 4 new scares.
• New animations.
• Completely fixed up the final scene.
• Fixed a glitch where removing 1 plank from the door allowed the player to open it. You now must remove all 3.
• Slightly tweaked timing of certain events.
• Re-positioned certain meshes slightly.
• Rotated grime on main bathroom floor so it displays properly.
• Slight adjustment to certain sounds.
• Various performance optimisations.