how: "add" || "remove" || "update"
	data: row object || id to splice || {id: integer, property_that_has_changed: new_value, other_property_that_has_changed: new_value}

	how: "replace" || "add" || "remove" || "update"
	data: [row objects] || row object || id to splice || {id: integer, property_that_has_changed: new_value, other_property_that_has_changed: new_value}

			pool.query(`select * from get_stores()`).then(r => {
				for(let i = 0; i < r.rows.length; ++i) {
					for(const prop in r.rows[i]) {
						if(r.rows[i][prop] === null) {
							delete r.rows[i][prop];
						}
					}
				}
				ws.subscribe('store');
				ws.send(JSON.stringify({
					what: 'store',
					how: 'replace',
					data: r.rows
				}));
			})