Separate out test for remaining tokens in a token holder
Make place_token more specific
Remove extraneous variable
Unify game state verification
Separate out tests for placing orders
Remove extraneous test. It duplicates TestArea's test_receive_token
Reorder methods in Game to follow game progression order
Fix recovery when replacing orders
Separate out tests for Planning - Assign vs Planning - Messenger Raven
Add bang (!) to methods that raise exceptions and need undoing