fix_collection groom updated to fix_pub-date_elements
fix_collection groom test updated to fix_pub-date_elements test
delete fpage/lpage in meta groom and pep8 cleanup
delete fpage/lpage in meta groom test
refactor to use get_singular_node in two grooms
More refactoring to pub_date_elements
Merge pull request #18 from mcbrandt13/groom_update

Groom update