add ability to divide single unit; fix divide stack functionality to break down stack evenly to 2 free slots; make correct order when filling stack into free slots
add ability to divide single unit; fix divide stack functionality to break down stack evenly to 2 free slots; make correct order when filling stack into free slots

potmdehex/homm3tools,potmdehex/homm3tools,potmdehex/homm3tools,potmdehex/homm3tools