Only disconnect when all sockets have disconnected
Only disconnect when all sockets have disconnected

saurabhsood91/noflo,npmcomponent/noflo-noflo,noflo/noflo,jonnor/noflo,lxfschr/noflo,trustmaster/noflo,jonnor/noflo,trustmaster/noflo,lxfschr/noflo,saurabhsood91/noflo