The 4th Dimension

Adds a 4. Dimension called "The Void":

• this Addon adds a new Dimension to the game called The Void and it can be entered throught a Void Portal. You can build the portal using the Void Stone for the frame and light it with flint and steel.
• Unlike Nether Portals, the frame doesn't have to be a 5x4 square, it can be any shape aslong it is a closed shape.               

(beta-apis necessary)