loongson/pypi: links for py2sql

loongson/mirror Py2SQL-0.6.tar.gz
loongson/mirror Py2SQL-0.5.tar.gz
loongson/mirror Py2SQL-0.4.tar.gz
loongson/mirror Py2SQL-0.3.tar.gz
loongson/mirror Py2SQL-0.2.tar.gz
loongson/mirror Py2SQL-0.1.tar.gz