move xml_driver into lib directory so it can be easily imported
copy useful functions into xml_util.py library
copy over unittests for xml_util.py
remove redundant test functions
add short description of xml_driver
add grant_handler.py file
test production lib/xml_driver, not temp file
remove defunct couch_patent tests
remove defunct self argument from has_content
add unittests for converting to utf8
implement normalize_utf8
move basic.xml to be with other xml fixtures
move integration test xml fixture into fixtures/xml
add more test fixtures
add unittest with accented characters
fix up normalize_utf8 method