Fixed the Bolster Culture Action - now it works and has an upkeep of 5 gold for each province you own

Re-balanced Advantages to be each unlocked by a different set of 4 resources requiring 4 different province features.
This was a major effort including changes to some building requirements.
Re-balanced the food economy and made it much more important for city growth.
Re-balanced the gold economy so population gives more gold and trade a little less.
Re-balanced the difficulty (bonuses to the AI) to make the game a bit harder.

Made traditions to cost Piety instead of books
Higher books cost for skills

- Adjusted some costs for various buildings and upgrades
- Made the improve and ruin relation actions to be less effective (because they are free now)
- Adjusted the cost of traditions so you don't require over 1000 books until the third row of traditions
- Made upgrades to require resources (soft requirements is not properly supported by the game at the moment)
- Made some upgrades to require fewer or no resources (including the library upgrade)
- Removed some previous upgrade requirements
- Various other small changes

- Made the mod compatible with "No Ungoverned Province Penalty" mod

Update

Update

Update

Update

Update

Update