Added missing hoshi points, removed some now unneeded image files

pygo.py

@@ -63,7 +63,7 @@ class GobanSquare:
             self.default_draw_code = 'dl'
         elif (self.x, self.y) == (19,19):
             self.default_draw_code = 'dr'
-        elif (self.x, self.y) in [(4,4), (4,16), (16,4), (16,16)]:
+        elif (self.x, self.y) in [(4,4), (4,10), (4,16), (10,4), (10,10), (10,16), (16,4), (16,10), (16,16)]:
             self.default_draw_code = 'h'
         elif self.x == 1:
             self.default_draw_code = 'u'
@@ -121,7 +121,7 @@ def main():
     # Build the dict of image objects
     img_res = build_img_res()
 
-    # Build the 361 board sprites
+    # Build the 361 board intersections
     goban = []
     for i in range(19):
         goban.append([])