- added a lockdown to `is_parsed_valid_url` titled `http_only` -- requires http/https for the scheme
0.6.6
- protecting against bad doctypes, like nasa.gov -- added `force_doctype` to __init__. defaults to False. this will change the doctype to get around to bs4/lxml issues -- this is defaulted to False.
0.6.5
- keeping the parsed BS4 document; a user may wish to perform further operations on it. -- `MetadataParser.soup` attribute holds BS4 document
0.6.4
- flake8 fixes. purely cosmetic.
0.6.3
- no changes. `sdist upload` was picking up a reference file that wasn't in github; that file killed the distribution install