loongson/pypi: links for bitcoinvaluegraph

loongson/mirror BitcoinValueGraph-0.7.tar.gz
loongson/mirror BitcoinValueGraph-0.6.tar.gz
loongson/mirror BitcoinValueGraph-0.5.tar.gz
loongson/mirror BitcoinValueGraph-0.4.tar.gz
loongson/mirror BitcoinValueGraph-0.3.tar.gz
loongson/mirror BitcoinValueGraph-0.2.tar.gz
loongson/mirror BitcoinValueGraph-0.1.tar.gz