updated for version 7.3.943

Problem:    Python: Negative indices were failing.
Solution:   Fix negative indices. Add tests. (ZyX)

src/version.c

@@ -728,6 +728,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    943,
 /**/
     942,
 /**/