loongson/pypi: links for pyutilbox

loongson/mirror pyutilbox-0.7.tar.gz
loongson/mirror pyutilbox-0.6.tar.gz
loongson/mirror pyutilbox-0.4.tar.gz
loongson/mirror pyutilbox-0.3.tar.gz
loongson/mirror pyutilbox-0.2.tar.gz
loongson/mirror pyutilbox-0.1.tar.gz