Core and visual improvements

The build folder now are available.
Death sound was changed.
The first stage became more darker.
In the first stage, the ball in the trap now burns when is activated.
The torchs was repositioned in places more strategic.
The color of Jow's torch was changed from white to orange.
Lift bug solved

The player does not cross the lift when jump over it.
If the lift crush the player, he dies.