loongson/pypi: links for extended-euclid-integer

loongson/mirror extended_euclid_integer-0.4.1.tar.gz
loongson/mirror extended_euclid_integer-0.4.tar.gz
loongson/mirror extended_euclid_integer-0.3.1.tar.gz
loongson/mirror extended_euclid_integer-0.3.tar.gz
loongson/mirror extended_euclid_integer-0.2.tar.gz