4.13.19
Update mods even if we have cached data
Modding: Unit icon falls back to UnitTypeIcons/ successfully
Cities reduce tile movement cost to 1 (on e.g. hills), per Civ V
Add Specialists Tutorial - By itanasi
Add <when espionage is enabled> conditional - By RobLoach
Allow purchasing wonders with gold when explicitly given a unique - By SeventhM