Workshop Related Update and Some Bug Fix

Fantasy Map Simulator

Fantasy Map Simulator: Create and watch imaginary worlds evolve over centuries. Design maps, simulate nations, and control destinies. See empires rise and fall on your desktop wallpaper. A unique simulation for history buffs and creative minds.

Added functionality to upload and update workshop item covers. Fixed an issue where placing countries would sometimes freeze the game. Fixed a problem where countries in the bottom-left corner couldn't be eliminated.