AttributeError raised when API responds with 500 status code

[jrkinley]

Prospect query throws an AttributeError when it attempts to get the results from the response object... https://github.com/mneedham91/PyPardot4/blob/5b26b871b7d4f6385755b2f3737a299509659ce1/pypardot/objects/prospects.py#L21

...because the client has set it to the status code (e.g. integer) when it expects a json string: https://github.com/mneedham91/PyPardot4/blob/5b26b871b7d4f6385755b2f3737a299509659ce1/pypardot/client.py#L146