loongson/pypi: links for convutils

loongson/mirror ConvUtils-2.0.zip
loongson/mirror ConvUtils-2.0.tar.gz
loongson/mirror ConvUtils-1.1.zip
loongson/mirror ConvUtils-1.1.tar.gz
loongson/mirror ConvUtils-1.0.1.tar.gz
loongson/mirror ConvUtils-1.0.tar.gz