v1.7.2

New Features

• Add AttrDictDefault and extract_docstrings (#617)
• Add do_escape to to_xml (#617)
• add markdown to doc output (#614)
• move patched methods to parent class (#612), thanks to @comhar
• add debug=True parameter to urlsend (#611), thanks to @radam9

Bugs Squashed

• fix annotations generated by py2pyi (#613), thanks to @comhar