Remove list_object method for readability.
Add edit person ui option and functionality for editing their name.
Add modify location functionality to edit_person. Refactor list_locations.
Add edit mother to edit person method.
Add edit location method to ui. Add list_locations option to main menu.
Add last of list methods to show locations, someone's mother and someone's spouse. Fix error checking to display a message if the person doesn't have a spouse or a mother yet.
Add error message for listing all the people in a location where you don't know any people yet.
Add error message to display if you are trying to find all the locations for a person but they don't have any locations stored yet.