Bump version to 0.4.0; Use ipc-rpc from npm
Bump version to 0.4.0; Use ipc-rpc from npm

cdgraff/StreamMachine,pedropapa/StreamMachine,SCPR/StreamMachine,pteich/StreamMachine,SCPR/StreamMachine,StreamMachine/StreamMachine,DreamNetwork/StreamMachine,DreamNetwork/StreamMachine,pteich/StreamMachine,pedropapa/StreamMachine,cdgraff/StreamMachine,StreamMachine/StreamMachine