Incorrect OCPI "Location.Hours" Implementation

[ewf-devops]

Original report by Adam Staveley (Bitbucket: [Adam Staveley](https://bitbucket.org/Adam Staveley), GitHub: adamstaveley).

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• Branch: master
• Current behaviour: regular_hours, exceptional_openingsand exceptional_closings are objects in the models and, therefore, the OpenAPI spec
• Expected behaviour: the above properties should be arrays of their respective objects, as outlined here: https://github.com/ocpi/ocpi/blob/master/mod_locations.asciidoc#mod_locations_hours_class

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