You know how to do the following jobs:
  add_cabin - Add a captain's cabin to a ship.
  add_cargo_hold - Add a cargo hold to a ship.
  add_console - Attach a console to a ship
  add_galley - Add on a ship's galley.
  add_lounge - Add in a ship's lounge.
  add_nest - Add on a crow's nest.
  create - Create a new ship (class 1)
  raise_2 - Improve a ship from class 1 to class 2
  raise_3 - Upgrade a ship from class 2 to class 3.
  remove_cargo_hold - Remove a cargo hold from a ship.
  remove_lounge - Remove a ship's lounge.