allow changing of AsyncLoopbackConnection delivery delay
allow changing of AsyncLoopbackConnection delivery delay

Cavitt/swarm,WebSoftAgency/swarm,riston/swarm,swarmix/swarm,riston/swarm,gritzko/swarm,remaininlight/swarm,WebSoftAgency/swarm,remaininlight/swarm,swarmix/swarm,Cavitt/swarm