VoxelCaverns Final Version: Indev2D 0.5

VoxelCaverns Indev2D Changelog:

+Added lighting calculations
+Made the terrain smoother
+Added methods to make worldGen easier
    +World2D.setBlock
    +World2D.getBlock
+Added Block Populators
+Added basic cave generation
+Added basic dungeons!
+Added Background Block Support!
+New blocks:
    +Torch
    +Brick Background
    +Stone Brick
    +Stone Background