0.2.1 Changelogs

Additions:
-Added command prompt (Accessible via [~] key):
-Added new command: "tp <x> <y>" which Teleports the player to the specified coordinates
-Added two animated water tiles, each with nine frames
-Added oceans to the world generation (Water level is below Y 120)
-Added Sapphire Ore
-Added Shale
-Added Coal Ore
-Added Copper Ore
-Added Gold Ore
-Added Iron Ore
-Added Jasper
-Added Limestone
-Added Marble
-Added Red Granite
-Added Ruby Ore
-Added Salt Ore
-Added Sand
-Added Sandstone
-Added a tile meta
-Added world map, accessible via [m] key
-Added the foundation for Mod Support

Changes:
- Moved the controls overlay to the pause menu
- The surface of the world will now start to generate at Y level 119 to 128 instead of Y level 60 to 69
- Increased the world width to 640 tiles from 256 tiles
- The world generator will now utilize a “world heightmap” while generating a world
- Changed the order in which the world generates
- Changed the way the player spawn point is selected so that it utilizes the world heightmap
- Changed pick block key from [F] to [Middle Mouse Button]

Removals:
- Removed inventory wheel
- Removed Dirty Stone tile
- Removed Stony Hardstone tile

Fixes:
- Fixed bug where world slot buttons would not hide in the loading screen
- Fixed a bug related to loading worlds from a file
- Fixed the pause menu’s save world screen’s empty slot button width so it matches the rest of the buttons