Overall game improvements

Prototype 0.1.52

• Remade Utsuki model and some animations.
• Worlds don't loop anymore, now they have predefined limits to prevent players from being lost and frustrated.
• Included pause menu options.
• Included temporary music.
• Reworked game input buttons.
• All lightning improved and included shadows.
• Included post processing (no motion blur. Ever).
• Improved code architecture and bug fixes related to characters and camera movement, reducing bugs.
• Improved Input compatibility.
• Improved camera positioning.
• Temporary removed cat from the game.