lit-ui-router-ssr 0.1.0-rc.3...0.1.0-rc.4

The files npm published for each version, compared as npm diff --diff=lit-ui-router-ssr@0.1.0-rc.3 --diff=lit-ui-router-ssr@0.1.0-rc.4 prints them. The git source compare is on DiffsHub.