* Added locations endpoint and location code parameter to the availability endpoints
1.5.0
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* Added location constants * Refactored the code to send `location_code` instead of `location` when creating an instance or a volume
1.4.1
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* Fixed a bug where token refresh failed
1.4.0
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* Added support for permanent deletion of volumes * Added a Volume class method that inits a new Volume instance from a dict * Added a few integration tests for permanent deletion of volumes