Features:
Here below is an total list of fixes and some techs have been balanced to 2x instead of 3x to prevent too extreme outbalancing effects like chinese techs almost cost nothing and maya resources last forever. Stats bonusses like fast mongol siege, ultra french paladin have been left in tact.


Removed Duplicate Technologies that had no point of being there 3x:
Coinage
Cartography
Banking
Ballistics
Fortified Wall
Guard Tower / Keep
Bombard Tower
Murder Holes
Feudal / Castle / Imperial Age
Spies / Treason
Heresy
Theocracy
Atonement
Redemption
Anarchy

Rebalanced / Improved / Fixed missing or defect effects that were forgotten:
Aztec Teambonus: Relics now generate more gold (improved to 2x, not 3x, to keep Game balance)
Aztec: Garland Wars Technology research times reduced to 2x
Britons: Archer Range Bonus in castle and imperial age reduced from 3 to 2 times
Britons: Teambonus Improved to 2x (40% Archery Range Unit Creation Speed)
Byzantine: Building HP Bonus for Castle- and Imperial age reduced from 3x to 2x for game balance and prevent buildings being automatically destroyed because of over 32K hp
Byzantine: Team Bonus monk healing speed improved from 50 to 75%
Chinese: Town Center Population support bonus 3x (from 10 to 20)
Chinese: Research Discount improved from 10, 15, 20% to 20, 25, 30%
Goths: Perfusion Technology research times reduced to 2x
japanese: Kataparuto Technology research times reduced to 2x
Mayans: Civ Bonus of Resources lasting 20% longer increased to 40% longer
Mongols: Drill Technology research times reduced to 2x
Persians: Mahouts Technology research times reduced to 2x
Persians: Bonus starting food and wood increased from 50 to 150
Spanish: Building Speed bonus improved from 30 to 60%