Fix array.array.insert(), so that it treats negative indices as
being relative to the end of the array, just like list.insert() does.
This closes SF bug #739313.
diff --git a/Misc/NEWS b/Misc/NEWS
index 02f845d..3a819b8 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -26,6 +26,9 @@
 Extension modules
 -----------------
 
+- array.array.insert() now treats negative indices as being relative
+  to the end of the array, just like list.insert() does. (SF bug #739313)
+
 - The datetime module classes datetime, time, and timedelta are now
   properly subclassable.