A Simple Hotseat Fix

When I play civ, I always add more than the standard amount of civs. But when you go to the Hotseat multiplayer screen it is impossible to add more than the standard amount of civs. Why can't they simply add a button to add more, just like single player?

You can use that: http://forums.civfanatics.com/downloads.php?do=file&id=18985