Allow use of acknowledgements in socket.io
Allow use of acknowledgements in socket.io

shoreditch-ops/artillery,shoreditch-ops/artillery-core,hassy/artillery,erikerikson/artillery-core,shoreditch-ops/artillery-core,hassy/artillery-core,hassy/artillery,hassy/artillery,shoreditch-ops/artillery,erikerikson/artillery-core,hassy/artillery-core,shoreditch-ops/artillery