pfft-20181230-e4cfcf9.tar.gz	https://api.github.com/repos/mpip/pfft/tarball/e4cfcf9902d0ef82cb49ec722040932b6b598c71
pfft-1.0.8-alpha.tar.gz	https://api.github.com/repos/mpip/pfft/tarball/v1.0.8-alpha