Hey mate, first answer is that the latest version currently available is 0.1.0, the best way to update mate is following the YouTube video at the start of the thread
Second answer, basically streams are ripped from dvd's or blurays, so if it's not available on DVD yet (which my big fat Greek wedding isn't, still in cinema)
Sometimes you'll find that someone has snuck a video camera into the theatre and you'll get a low quality stream of it. You've got 3 options regarding the new big fat Greek wedding, go to the cinema and watch it, wait until someone releases a video camera recording of it, or wait it out until the DVD gets released.
Hope this helps mate :)