Age of Wonders 4

Notes:

a block in the faction creation flow when a ruler file corruption has occurred, fixed a siege flow issue where the order in which heroes died could result in an infinite siege, fixed a crash that can occur when an infestation becomes occupied by free cities, fixed a crash when transferring your throne city after losing the original one, fixed a crash that could occur in combat when a unit would end its turn on top of a different unit and remove it