move constants out of transformer so that they can be shared with ast
add varargs and kwargs attributes to Function nodes
diff --git a/Lib/compiler/transformer.py b/Lib/compiler/transformer.py
index 9200f7a..42d34dc 100644
--- a/Lib/compiler/transformer.py
+++ b/Lib/compiler/transformer.py
@@ -99,14 +99,8 @@
 
 error = 'walker.error'
 
-# code flags
-CO_VARARGS = 1
-CO_VARKEYWORDS = 2
-
-# operation flags
-OP_ASSIGN = 'OP_ASSIGN'
-OP_DELETE = 'OP_DELETE'
-OP_APPLY = 'OP_APPLY'
+from consts import CO_VARARGS, CO_VARKEYWORDS
+from consts import OP_ASSIGN, OP_DELETE, OP_APPLY
 
 def asList(nodes):
   l = []