add logic for a graceful stop
add logic for a graceful stop

MadBomber/hutch,dkastner/hutch,studiocalico/hutch,gocardless/hutch,gocardless/hutch,pap/hutch,Fatsoma/hutch,teodor-pripoae/hutch,Fatsoma/hutch,Fatsoma/hutch,gocardless/hutch