Add virtual destructors now that we have virtual methods.
Add virtual destructors now that we have virtual methods.
FirebaseExtended/firebase-arduino,gguuss/firebase-arduino,FirebaseExtended/firebase-arduino,aliafshar/firebase-arduino,aliafshar/firebase-arduino,FirebaseExtended/firebase-arduino,ed7coyne/firebase-arduino,gguuss/firebase-arduino,gguuss/firebase-arduino,aliafshar/firebase-arduino