loongson/pypi: links for py2xml

loongson/mirror py2xml-1.0.5.tar.gz
loongson/mirror py2xml-1.0.4.tar.gz
loongson/mirror py2xml-1.0.2.tar.gz
loongson/mirror py2xml-1.0.1.tar.gz
loongson/mirror py2xml-1.0.0.tar.gz