print called numbers on boards with "-" instead of "*"

bingo/__init__.py

@@ -20,7 +20,7 @@ class Board:
                 caption = self.cols[col][row]
                 if caption == 0:
                     caption = "F"
-                called = "*" if self.called[col][row] else " "
+                called = "-" if self.called[col][row] else " "
                 print("|%s%2s%s" % (called, caption, called), end = "")
             print("|")
             print(self.border)