Only parse req property for request details if it is non-empty (fixes #321)
Only parse req property for request details if it is non-empty (fixes #321)

miguelb/raven-node,miguelb/raven-node,getsentry/raven-js,getsentry/raven-js,BuildingConnected/raven-node,getsentry/raven-js,getsentry/raven-node,getsentry/raven-js,getsentry/raven-node