Fixes for keyboard only play
Provides fixes for the following:
- Pressing OK right after opening the Class Change Scene causes an error
- The first class in the list is not auto selected
Adds the ability to give multiple classes with one tag.
This is done with a comma separated list. For example:
<LaziGiveClass: 1,2,5,4> would give classes with ID 1, 2, 4, and 5 to that actor.