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Slightly tidies up the example to use more modern Rust, less type specifications, and then drops
clap
as a direct dependency. The expected behavior from the example's CLI meant a whole CLI argument library was very over the top. Also its been broken since the update toclap 0.4
. Runningcargo run --example simple
would attempt to rebind the server instead of connecting as a client. The replaced args parsing handles it right again:Closes #178