- Severance origin: if you start with the sol system, the severane system will be Deneb - if the CoM had been spawned, this will remove it
- Crowded origin: modifier should now be removed on yearly tick, was the wrong event type before for whatever reason
- House Divided origin: superfluous buildings should now be removed

- replaced base_cap_amount with planet_limit in buildings

replaced remaining instances of create_pop with create_pop_group

House Divided origin
- Day Zero Contact fix

4.0 Update