Add primitive printing support for Unix and Windows.
diff --git a/Tools/idle/config-unix.txt b/Tools/idle/config-unix.txt
index be9fa81..782965f 100644
--- a/Tools/idle/config-unix.txt
+++ b/Tools/idle/config-unix.txt
@@ -1,3 +1,4 @@
 [EditorWindow]
 font-name= courier
 font-size= 10
+print-command=lpr %s