Version 0.2.0!

No, this game isn't dead. In fact, it has SOUND!

- Added sounds for placing roads & for scoring.

- Added 'Fullscreen' option to the settings. Fullscreen can be toggled by hitting F4 at any time.

- Challenge Mode can now be enabled or disabled in the Options. Challenge Mode ends the game if any buildings go offscreen. Disabling challenge mode also disables high score scoring.

- Fixed a bug with options not saving correctly.