[BUG]: ___missing / in documents.get_dashboard_hierarchy_from_instance url

[hustontrevor]

endpoint = f'api/v2/dossiers/{dashboard_id}/instances/{instance_id}/definition'

requests.exceptions.HTTPError: 404 Client Error: Not Found for url: https://myserver.com/**MicroStrategyLibraryapi**/v2/dossiers/blahID/instances/blahInstanceID/definition

[hustontrevor]

Also need to fix the endpoint

return connection.get(endpoint=endpoint, headers={'X-MSTR-ProjectID': None})

mstrio.helpers.IServerError: The header parameter 'X-MSTR-ProjectID' is required but not provided. Please set a value for it.