renamed files and added _showrequests option to show and update functions
adding function to remove a procX. If the query passes in 'old_status' only docs with doc['status'] == old_status will be affected. If the query passes in 'new_status', the doc['status'] will be changed to 'new_status'. If the procX doesn't exist in the doc, it will still set doc['status'] to 'new_status'.
adding a 'doc_updated' key to the results