Changes to List sessions, newest first, one page at a time; ?agent= filters to one spec [read]

added the new optional query request parameter cursor

added the new optional query request parameter limit

added the optional property error/request_id to the response with the default status

added the optional property next_cursor to the response with the 200 status

added the optional property sessions/items/attachments to the response with the 200 status

added the optional property sessions/items/browserLoginsSavedAt to the response with the 200 status

added the optional property sessions/items/browserProfile to the response with the 200 status

added the optional property sessions/items/budget/consumed_cost/amount_usd to the response with the 200 status

added the optional property sessions/items/budget/consumed_cost/unit to the response with the 200 status

added the optional property sessions/items/budget/max_list_cost/amount_usd to the response with the 200 status

added the optional property sessions/items/budget/max_list_cost/unit to the response with the 200 status

added the optional property sessions/items/contextFiles to the response with the 200 status

added the optional property sessions/items/harnessVersion to the response with the 200 status

added the optional property sessions/items/hostedBySeller to the response with the 200 status

added the optional property sessions/items/parentRelation to the response with the 200 status

added the optional property sessions/items/parentSessionId to the response with the 200 status

added the optional property sessions/items/payer to the response with the 200 status

added the optional property sessions/items/provisioningStage to the response with the 200 status

added the optional property sessions/items/subscriptionApiFallback to the response with the 200 status

the response property error became required for the status default

the response property error/code became required for the status default

the response property error/message became required for the status default

the response property sessions/items/budget/consumed_cost/amount became required for the status 200

the response property sessions/items/budget/consumed_cost/currency became required for the status 200

the response property sessions/items/budget/max_list_cost/amount became required for the status 200

the response property sessions/items/budget/max_list_cost/currency became required for the status 200