loongson/pypi: links for imctrans

loongson/mirror imctrans-0.1.6.tar.gz
loongson/mirror imctrans-0.1.5.tar.gz
loongson/mirror imctrans-0.1.4.tar.gz
loongson/mirror imctrans-0.1.2.tar.gz
loongson/mirror imctrans-0.1.1.tar.gz