Package.json added
Should.js assertion lib added
i3p.encode should return a `Buffer`
i3p.encode returs a Buffer
Test message type param
Throw Error when type is missing
Test for i3-ipc prefix
Returned Buffer has correct prefix
Test message type
Message type is written to the returned Buffer
Add message params to tests
Test returned Buffer length
Returned Buffer has correct length
Test payload length field
Message length is written to the Buffer
Test missing message parameter
Message parameter is optional
Remove unused variables