v0.011

This update adds:

• Complete game rewrite (wasn't happy on how it worked before)
• Decreased world file size by 40 to 50 percent - switched save file type (bytes -> json)
• Switched frameworks (lwjgl -> libgdx)
• Better performance
• HUGE optimization update
• Lighting is introduced
• Added support for linux
• Added custom cursor to the game
• Changed the game's icon to a grass block
• Added camera lerp effect when following player
• Switched texture size (32 -> 16)
• Added full-screen support (toggle = F11)
• Resizable window