All test list creation and modification could now concievably be done with manage_xml_entries.
For manage_xml_entries help, please check the script's usage. 

Testing:
The directory test_manage_xml_entries contains unit tests for
the script, as well as files intended to support the unit tests. 

To run the unit tests, cd to test_manage_xml_entries, and run: 
prove -v test_manage_xml_entries.t
