add list_files unittest
remove defunct TODO
remove old imports/TODOs
add assertion to test_list_files
add sanity check to ensure we parse out XML strings
edit test cases to reflect desired behavior
add parse_patent test
remove unnecessary whitespace
chain the results of parse_file to give a flat list
add parse_patent method
refactor logging after variable renaming
treat parsed_xmls as chain, not list in parse loop
use fixtures/xml/ipg120327.one.xml to keep unittest runtime down
use parse_patent method
colorized output for unittests
remove defunct TODO
remove unnecessary patXML classes reference
move xmlclasses definition out of method
consolidate logging output
extract build_tables method