Small modification to lwr client to simplify LWR runner env handling.
Small modification to lwr client to simplify LWR runner env handling.

natefoo/pulsar,jmchilton/lwr,natefoo/pulsar,jmchilton/pulsar,galaxyproject/pulsar,galaxyproject/pulsar,ssorgatem/pulsar,jmchilton/lwr,jmchilton/pulsar,ssorgatem/pulsar