[fxbox/taxonomy] Better deserialization error messages
[fxbox/taxonomy] Better deserialization error messages

npark-mozilla/foxbox,cr/foxbox,cr/foxbox,cr/foxbox,npark-mozilla/foxbox,Yoric/foxbox,hkoka/foxbox,Yoric/foxbox,npark-mozilla/foxbox,aosmond/foxbox,fxbox/foxbox,Yoric/foxbox,hkoka/foxbox,fxbox/foxbox,aosmond/foxbox,hkoka/foxbox,fxbox/foxbox,fxbox/foxbox,npark-mozilla/foxbox,fabricedesre/foxbox,aosmond/foxbox,hkoka/foxbox,fabricedesre/foxbox,cr/foxbox,fabricedesre/foxbox,fabricedesre/foxbox,Yoric/foxbox