* Fix invalid path in cargo-env.bat
* Assume cargo-env.bat is run from repo root; fix package script (dae)
* mention cargo-raze doesn't work on Windows (dae)
- tokio 1.0
- updated reqwest, thanks to Rumo
- other minor dep updates
the reqwest build file has been split into two, as it was awkward
to manually update the combined file, and the platform gate is now
on the target in rslib/
