side quest added.
Cattle delivery- you have to lead castles to destination. they keep following player and can be killed by enemy sodiers.
Letter delivery- simple delivery
All AI soldiers is snapped to closest fortress.
All AI fortress wall is armed with artillery.
bug fix- I found a specific square shape(500m*500m) area near Gate Gigot not support pathfinding.
It is fixed now but I think there should be some more places like this.
Old save files may cause main quest problem.
Next beta update will not support old save file