1.0.2

- Option to specify search depth (i.e: difficulty)
- Add Undo feature
- Add Book feature, move database is stored in file book.dat.
  The file given with this homebrew is the book.dat provided
  with gnuchess (but you can replace it by your own)
- Bug fix when you put black on the bottom of the screen, 
  King and Queen weren't at the right place ! 
- Bug fix with keys/analog pad (sensitivity was too high)


1.0.1

- Intial release
