loongson/pypi: links for bithex

loongson/mirror bithex-1.0.5.zip
loongson/mirror bithex-1.0.4.zip
loongson/mirror bithex-1.0.3.zip
loongson/mirror bithex-1.0.2.zip
loongson/mirror bithex-1.0.1.zip
loongson/mirror bithex-1.0.zip