Handle the case that there might be no valid_until set, also use the new time_util.valid function
Handle the case that there might be no valid_until set, also use the new time_util.valid function
Runscope/pysaml2,arbn/pysaml2,tpazderka/pysaml2,tpazderka/pysaml2,arbn/pysaml2,Runscope/pysaml2