Jormungandr: fix output of exceptions
Jormungandr: fix output of exceptions

datanel/navitia,datanel/navitia,TeXitoi/navitia,antoine-de/navitia,prhod/navitia,thiphariel/navitia,pbougue/navitia,Tisseo/navitia,fueghan/navitia,francois-vincent/navitia,fueghan/navitia,fueghan/navitia,VincentCATILLON/navitia,lrocheWB/navitia,is06/navitia,datanel/navitia,xlqian/navitia,xlqian/navitia,kinnou02/navitia,fueghan/navitia,prhod/navitia,djludo/navitia,pbougue/navitia,TeXitoi/navitia,Tisseo/navitia,thiphariel/navitia,patochectp/navitia,datanel/navitia,kadhikari/navitia,djludo/navitia,xlqian/navitia,frodrigo/navitia,antoine-de/navitia,kadhikari/navitia,patochectp/navitia,frodrigo/navitia,TeXitoi/navitia,lrocheWB/navitia,VincentCATILLON/navitia,is06/navitia,CanalTP/navitia,stifoon/navitia,patochectp/navitia,djludo/navitia,kadhikari/navitia,frodrigo/navitia,ballouche/navitia,antoine-de/navitia,ballouche/navitia,CanalTP/navitia,VincentCATILLON/navitia,djludo/navitia,TeXitoi/navitia,kinnou02/navitia,Tisseo/navitia,xlqian/navitia,is06/navitia,lrocheWB/navitia,francois-vincent/navitia,CanalTP/navitia,ballouche/navitia,Tisseo/navitia,patochectp/navitia,stifoon/navitia,pbougue/navitia,Tisseo/navitia,francois-vincent/navitia,kinnou02/navitia,thiphariel/navitia,VincentCATILLON/navitia,CanalTP/navitia,francois-vincent/navitia,xlqian/navitia,frodrigo/navitia,is06/navitia,antoine-de/navitia,kadhikari/navitia,pbougue/navitia,prhod/navitia,kinnou02/navitia,CanalTP/navitia,stifoon/navitia,ballouche/navitia,stifoon/navitia,prhod/navitia,thiphariel/navitia,lrocheWB/navitia