Upnumbered the version from 0.20 to 0.30 to reflect the large amount of new content

There are numerous additions and changes in all areas of the game:

- About 20 new sounds added, for a total of approximately 37

- Several new textures added

- Player ship looks like the allied computer ships, but is distinguished by the UVic crest on the wings of the human-powered ship

- Theme music added (toggle with the "M" key)

- New objects: prisoners, enemy gold stashes

- Zoom effect when traveling from one level to the next

- Scoring revamped

- Bonus point algorithm - points depend on the success of your "save the prisoners" mission

- Lots of bug fixes