message: Print full pretty GraphQL errors
diff: @@ -17,5 +17,10 @@ export function exitNoConfig(clog: Clog): number {
  }
  export function exitGraphQLError(clog: Clog, errors: Array<GraphQLError>): number {
  - return exitError(clog, 'Oops! The server returned errors:', ...errors);
  + const prettyErrors = R.map(error => JSON.stringify(error, null, 2), errors);
  + const errorMessage =
  + R.length(errors) === 1
  + ? 'Oops! The server returned an error:'
  + : 'Oops! The server returned errors:';
  + return exitError(clog, errorMessage, ...prettyErrors);
  }
  