draws a new isometric board, with sprite sheets
board draws in center of screen
draws checked pattern
fixed issue with the default.png board where the black tile would have a bit of white at the boundary of the image.
draws checkered pattern now.
draws correctly no matter the grid size
changed the scaling and positioning code to allow for any different size chess board, 8x8, 4x8, and 8x4 all work and display correctly.
now have background, border and padding to the chessboard window
adds pawn piece
added the .blend source for the pawn piece. need to create a .blend for the tiles
adds oldstuff for reference when reworking the code i had before for the flat chess board
draws the pawn on the board and it is in a player
's hand