Improved OSError handling #104
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As mentioned in #103, we are conflating
ENOENTwith the rest of potentialOSErrorerrors. Since it's hard to predict/provide more clear messages for all variations, we have chosen to only coverENOENTand pass through other errors to the user.In this PR:
OSErrorhandling to use exception message by default but provide better messaging onENOENT/cc @wbond