loongson/pypi: links for properform

loongson/mirror properform-0.2.0.tar.gz
loongson/mirror properform-0.1.0.tar.gz
loongson/mirror properform-0.0.7.tar.gz
loongson/mirror properform-0.0.6.tar.gz
loongson/mirror properform-0.0.5.tar.gz
loongson/mirror properform-0.0.4.tar.gz
loongson/mirror properform-0.0.3.tar.gz