loongson/pypi: links for usps-api

loongson/mirror usps-api-0.5.tar.gz
loongson/mirror usps-api-0.4.tar.gz
loongson/mirror usps-api-0.3.tar.gz
loongson/mirror usps_api-0.3-py3-none-any.whl
loongson/mirror usps-api-0.2.tar.gz
loongson/mirror usps-api-0.1.tar.gz
loongson/mirror usps_api-0.1-py3.5.egg