loongson/pypi: links for nxturtle

loongson/mirror nxturtle-1.0.4.dev-20110105.zip
loongson/mirror nxturtle-0.0.2.dev-20101025.zip
loongson/mirror nxturtle-0.0.1.dev-20101023.zip
loongson/mirror nxturtle-1.0.3.zip