Changes
- Added 4 new traits.
- Workers with good traits now tend to have a higher salary (and the other way around for negative traits)
- The Mine income now depends on the selected difficulty.
- The warning for "not enough seats"/ "too many seats" will now take Miners into the calculation.
- Each worker now has a random/ unique skin.
- Fixed error in Tutorial.
- Fixed error when loading old save game.
- Fixed overlapping model for Miners.