Issue 1577: shutil.move() where destination is a directory was doing a
copy, now it is doing a os.rename() if it's on the same file-system.
diff --git a/Misc/NEWS b/Misc/NEWS
index 5382c84..bb65b46 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -82,6 +82,9 @@
   On all linux systems the --with-system-ffi configure option defaults
   to "yes".
 
+- Issue 1577: shutil.move() now calls os.rename() if the destination is a
+  directory instead of copying-then-remove-source.
+
 Tests
 -----