Changes to List contact lists

the response property errors became required for the status 401

the response property errors became required for the status 403

the response property errors became required for the status 404

the response property errors became required for the status 500

the response property errors/items/status_code became required for the status 401

the response property errors/items/status_code became required for the status 403

the response property errors/items/status_code became required for the status 404

the response property errors/items/status_code became required for the status 500

the response property pagination became required for the status 200

the response property pagination/next_cursor became required for the status 200

the response property pagination/next_url became required for the status 200

the response property pagination/previous_cursor became required for the status 200

the response property pagination/previous_url became required for the status 200

the response property results became required for the status 200

the response property results/items/id became required for the status 200

the response property results/items/name became required for the status 200

the response property url became required for the status 200

added the required property results/items/description to the response with the 200 status