Todd Gamblin 63f8af8078 Add postorder traversal to specs ... - Spec.preorder_traversal() is now Spec.traverse(). - Caller can supply order='pre' or order='post'		2014-08-08 13:21:52 -07:00
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spack	Add postorder traversal to specs	2014-08-08 13:21:52 -07:00