Version 0.2

Some minor updates to the game.

Added:
- GNU/Linux 64-bit build!
- Key-bindings A and D for rotating selected tile.
- Key-bindings for quitting the game.
- Game Over sequence. Now with the sound effect that was forgotten during the jam!

Fixed:
- Tiles can no longer be moved off-screen.
- Tiles can no longer be placed while "Saving..."
- Music no does not loop after death.