* [Golang] Move utility functions from client.mustache to utils.mustache
* re-generate Go samples
* re-generate Go samples again
* re-generate samples once more
* update go samples
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Co-authored-by: Martin Lakov <martin.lakov@ocado.com>
* Add support for all +json and +xml suffixed media types to generated Go client
* Export JsonCheck and XmlCheck and add external tests
* Remove client_test.mustache