updated for version 7.3.591
Problem:    Can only move to a tab by absolute number.
Solution:   Move a number of tabs to the left or the right. (Lech Lorens)
diff --git a/src/version.c b/src/version.c
index 637abb7..4bfec78 100644
--- a/src/version.c
+++ b/src/version.c
@@ -715,6 +715,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    591,
+/**/
     590,
 /**/
     589,