Bump to 2.6.5 rc 1.
diff --git a/Lib/idlelib/idlever.py b/Lib/idlelib/idlever.py
index 7f3d8f4..d5a6f53 100644
--- a/Lib/idlelib/idlever.py
+++ b/Lib/idlelib/idlever.py
@@ -1 +1 @@
-IDLE_VERSION = "2.6.4"
+IDLE_VERSION = "2.6.5rc1"