Version 230503

• (#17) Barracks' description does not mention anti-cav
• (#16) POLICY_SKYSCRAPERS uses ERA_FUTURE in the base game
• (#1) Ibn Khaldun is bugged, gives only half extra yields
• (tech fix) Missing Deal Item types

Version 230428

Gameplay fixes

• Arrow Storm and Marauding correctly don't work on districts (#14, #15).
• Corrected yields of Great Works from Babylon DLC (#10).
• Complete support for CLASS_ALL_ERAS to GA/GG i.e. now Warrior Monk, Nihang and Vampire get bonuses from GGs.
• Missing techs and projects added to favored items when pursuing Science Victory (#12).
• Gaul's mines (technical, #9).

Descriptions' fixes

• Chateau can be built on Floodplains (#13).
• Vatican's ability has 6 range (#4).
• After Action policy gives 50% (#7).