make parse.py importable
get rid of directories argument to parse.py cli
remove directories list from argconfig
fix parse.py cli in integration tests
fix unittests for new parse.py interface
use iterators
fix up unittests to do prefix association
do prefix association on the list of inventors
add as_string functionality to xml driver contents_of
fix unittests to use iterable output from parse.py
add comment
fix integration tests for prefix association for lawyers
add helper to extract names
use helper method for inventor extraction
fix up lawyer extraction method
use name helper for assignees
add cleaning method to normlize doc_numbers
output to logging file on error
remove unused files
add notimplementederrors to SQLTableBuilder for later subclassing