Issue #326 - supporting upgrade files and version #496
+32
−20
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Solving issue #326 allowing Zold to upgrade itself using rb scripts.
I used the tests that had already been written but skipped at the moment.
Please note that I had to disable Eval check in Rubocop to avoid the code smell: in fact, using the "eval" function is a potential security breach, but it should be ok as we are executing only scripts that are in a specific directory of the repository.