Shogi playing program based on OpenShogiLib

 GPSShogi is a Shogi playing program based on OpenShogiLib and won the 19th
 World Computer Shogi Championship. This package contains several binaries to
 play with computer Shogi.
  - gpsshogi: support the CSA protocol
  - gpsusi: support the USI protocol
  - gpsshogi-viewer: GUI application to investigate positions
  - gpsshell: shell-like client to investigate positions