loongson/pypi: links for straw-codec

loongson/mirror straw-codec-0.5.tar.gz
loongson/mirror straw-codec-0.4.tar.gz
loongson/mirror straw-codec-0.3.tar.gz
loongson/mirror straw-codec-0.2.tar.gz
loongson/mirror straw-codec-0.1.tar.gz