root/pypi: links for html2txt

root/pypi html2txt-0.6.0.tar.gz
root/pypi html2txt-0.5.0.tar.gz
root/pypi html2txt-0.4.0.tar.gz
root/pypi html2txt-0.3.0.tar.gz
root/pypi html2txt-0.2.0.tar.gz
root/pypi html2txt-0.1.0.tar.gz