updated for version 7.4.063

Problem:    Crash when using invalid key in Python dictionary.
Solution:   Check for object to be NULL.  Add tests. (ZyX)

src/version.c

@@ -738,6 +738,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    63,
 /**/
     62,
 /**/