Added error message back to streaming imp
Added error message back to streaming imp

aliafshar/firebase-arduino,FirebaseExtended/firebase-arduino,gguuss/firebase-arduino,gguuss/firebase-arduino,aliafshar/firebase-arduino,proppy/firebase-arduino,aliafshar/firebase-arduino,gguuss/firebase-arduino,FirebaseExtended/firebase-arduino,FirebaseExtended/firebase-arduino,ed7coyne/firebase-arduino