Revert "Merge pull request #106 from rns/ASF_traverser_Cartesian_product_code_to_sub"

This reverts commit a20d5b1c8818622b4ca4939ee2e56aefa1afadb5, reversing
changes made to 3303b387b3fe9eedf31956db4107e208973bc812.

Code needs to stay as it is for the POD displays.
Merge remote-tracking branch 'origin/master'