Copyright and version tweaks for 3.0a3.
diff --git a/Lib/idlelib/idlever.py b/Lib/idlelib/idlever.py
index d6c541d..fa352a7 100644
--- a/Lib/idlelib/idlever.py
+++ b/Lib/idlelib/idlever.py
@@ -1 +1 @@
-IDLE_VERSION = "3.0a2"
+IDLE_VERSION = "3.0a3"