Move change field contents to extra function
Make interchangers work

Yepp, now the things all do, yay.

Next Step: Levels
Some tiny refactoring
Different Persons

I created 10 individual persons, who look totally different. And they have cool
names and stuff.
And every time you play you get random differen persons from my person list.
Add personallities

I forgot to commit the personallities of my persons. ohm...
here they are yay