3-1 add Character class
3-1 \t fix
3-1 Character was java class
3-2 identifier test add
3-3 pawn color show data add
3-4 add pawns code in Board class
3-5 dirty code add initialize
3-6~8 add board print method and remove un need codes
2013-7-18 doing refactoring 1 remove comment
3-8 refactoring2 use enum for dosen't use string
3-8 commit for big refactoring -- cancel