Fixed multiple crashes:<br> * When fast forwarding in a weird state. (main.lua:61: attempt to call method 'fastforward' (a nil value))<br> * When the hinted entity disappears. (src/game/gui/init.lua:570: attempt to index local 'sprite' (a nil value))<br> * After resizing the window and completing an objective.
Only the current version so far — new entries appear as the game ships updates.
A relaxing world builder, city builder, and city management game combined.
