Add getters to response_promise
Add getters to response_promise

DavadDi/actor-framework,nq-ebaratte/actor-framework,nq-ebaratte/actor-framework,DavadDi/actor-framework,DavadDi/actor-framework,actor-framework/actor-framework,DavadDi/actor-framework,nq-ebaratte/actor-framework,actor-framework/actor-framework,nq-ebaratte/actor-framework,actor-framework/actor-framework,actor-framework/actor-framework