ChangeLog will start with GNU Shogi 1.0 patchlevel 11 (04/07/1993)

version 1.1 patchlevel 1 -> version 1.1 patchlevel 2
  10/06/1993
	correcting bug: MakeMove no longer destroys the node->flags
  07/11/1993                         
	changes according to GnuChess 4.0pl62;
	introducing "IsCheckmate" in order to forbid checkmates
	by dropping a pawn (illegal move);
	correcting bug: UnmakeMove no longer destroys the node->flags
	(especially the "exact" flag)
  05/11/1993
	enabling draw by repetition detection
  04/29/1993
	correcting "save game" and "get game";
	introducing a "tsume" mode, which allows gnushogi especially
	search for forced checkmates

version 1.0 patchlevel 11 -> version 1.1 patchlevel 1
  04/22/1993
	deep search cut in genmoves.c
  04/20/1993
	enable pattern related scoring in opening stage
  04/15/1993
	tuning "eval.c"
  04/14/1993
	correction for the "abs" function in "init.c"
  04/10/1993
	switches SAVE_PTYPE_DISTDATA and SAVE_DISTDATA for optional
	space reductions.
