fix PolyselGFpnTask bugs w.r.t state mechanism
fix PolyselGFpnTask bugs w.r.t state mechanism

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