Create test world with 3 rooms, 1 quest, and basic items
Refactor quest_item and character db methods
Add tests to create_character to check for population of default values. Refactor build_character and zombie db methods'
Refactor create_item db method
Update player db spec to check for default room id and refactor player db methods
Refactor quest characters db methods
Refactor quest_progress db methods
Refactor room_item db methods
Add quest_id and start_new_quest on room table. Update RoomNodes to have start_new_quest attribute. Create command class with ostruct for commands