[cadofct.pm] now use a compressed purged file (*.purged -> *.purged.gz)
[cadofct.pm] now use a compressed purged file (*.purged -> *.purged.gz)

mancoast/cado-nfs,mancoast/cado-nfs,mancoast/cado-nfs,mancoast/cado-nfs,mancoast/cado-nfs,mancoast/cado-nfs,mancoast/cado-nfs