Among some other stuff, the 0.2.3 update released today adds personality types! Currently, there are only a few in the game, but they already influence your people's actions.

To add personality types to your existing save files, you can press F1 and type "EditPerson". This will bring up a character editor with full editing abilities, so you can add some personality types to your people.

Here's the full changelog for this version:

- Added painting and selling paintings
- Added personality types. To add personality types to your existing people, press F1 and type "EditPerson"
- Added a visual effect for money gain/loss
- Increased the starting funds
- Improved the map by adding a park
- Various action bugfixes
- [API] More documentation