Update Details:
Fixed sprites for construction sites and some buildings.
Corrected three background music tracks.
Adjusted fog density in weather effects.
Added shadows to animals and buildings.
Mills, mines, and lumberyards in auto mode and hostile AI will now build near resources such as fruit trees, ore, and trees.
Game cursor will now hide when switching the mouse to a non-game window.
Fixed errors in the save system related to loading and regenerating gold mines, stone mines, fruit trees, and wood resources.