Added a debug flag to Renderer.
Created classes for entity and player.
Added an image to the player.
Set up relative unit system.
Added rectangle for entities. Used for collision.
Added rendering.
Created class for animation and added spritesheet for diver.
Added spritesheet for animation.
Added animations, movement, soundtrack, and changed the amount of relative units.
Renamed Animate to SpriteAnimation.
Added image background.
Created level class.
Added text class.
Added another constructor to test class.
Fixed units.