Fix bug that game can not start without NF pass.

171
1. Overhaul goldenage and darkage policies in DA mode.
2. Add improvements, projects and DA mode tags in civilopidia.
3. Fix bug that fire support unit can not be purchased with faith. (WE)

170

Increase early game gold according to user's feedback.
-Double palace gold.
-Luxury resources provide +1 gold.

Purchase by gold and faith is now cheaper: 2X of production cost.

169

Civilization rework for Byzantium, Gaul, Ethiopia. Tweak Poland.

v168
Harbor District gains defense ability and can range attack!

Halve AI science and culture percentage yields bonus in early game era, until Industrial era.

v167

Better DramaticAges mode experience.
Same value across all difficulty levels.
Less free city.
Less free city identities.
More wildcard policy slots.

v166
Update for the latest game version.

165
1. Fix the bug that building districts on floodplain do not remove floodplain. Now it works like building districts on forest. Requires tech Engineering.
2. Mitigate the influence of city loyalty to city yields. (-100% to -60%)
3. Remove the first two governor titles in the secret society mode.

v164
Civilization rework for Germany and Aztec, tweak for Egypt, bug fixed for Sweden

Increase the cost and yield of district projects.

All features can be removed with specific tech unlocked.