Log general anyhow errors better #76
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See https://docs.rs/anyhow/latest/anyhow/struct.Error.html#display-representations
Use
{e:#}instead of{e}in global error printers to print the entire chain of anyhow contexts that lead to error.Previous version printed the topmost context only, making it hard to debug errors.
We could also use
{e:?}to print any backtraces associated, but that seems like an overkill since will produce vast logs in the playdate console.