Star Wars fans know Lando Calrissian as the crafty ally of Luke Skywalker, Princess Leia and Han Solo in their struggle against the evil Galactic Empire. But before he threw in with the Rebellion, Lando was an interstellar adventurer, con-artist and gambler of some repute. As we join him, he's just won the Millennium Falcon in a game of sabacc, along with a robot he must collect on the planet of Rafa IV. The Rafa…