Note that `--no-remote` breaks starting new browser windows from outside, which users normally want. I'm starting to think that setting the `HOME` environment

Note that `--no-remote` breaks starting new browser windows from outside, which users normally want. I'm starting to think that setting the `HOME` environment variable is the only way to really make things isolated - this still won't handle `~insertusernamehere` but basically everything else respects it.