return error codes when errors are encountered #70
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Use
RunE
instead ofRun
so that errors that are currently only printed are reported as errors to Cobra. This will allow Cobra to emit return codes when errors are encountered.Errors previously reported as "Client Error" now report a more contextual message "Could not get Thing", accompanied by a more detailed client error.
A few commend blocks and strings were updated to use the correct command name.
Some of these problems and improvements were brought to light in #66. By introducing these changes here, #66 will be easier to review.