gistfile1.js

product: {
	id: 1,
	title: "ProductTitle",
	supplierID: 1,
	_last_change: "29.29.16"
	}

supplier: {
	id: 1,
	title: "SupplierTItle",
	_last_change: "29.29.16"
	}

// ODOO API returns to ZeDOC:

product: {
	id: 1,
	title: "ProductTitle",
	supplierID: {
		title: "SupplierTItle"
	},
	_last_change: "29.29.16"
	}

// now if we update the supplier it change the supplier __last_change, but not product's __last_change