Add custom inspect to Google::Apis:Error (#729)
Add custom inspect to Google::Apis:Error (#729)

Add the status_code, header, and body values to inspect when present.
These values can help users understand why they are getting errors,
but many users don't know to look for them.
Adding the values to inspect should help discoverability.
googleapis/google-api-ruby-client,googleapis/google-api-ruby-client