Estructura para las pruebas de Helios.io

Dealer Ergo Go

xml:  http://www.google.com/reader/atom/feed/{escaped-url-feed}?n=1000
json: http://www.google.com/reader/api/0/stream/contents/feed/{escaped-url-feed}?n=1000

Campos del feed (0, no nos interesa de momento; 1, nos interesa ahora mismo):
0  direction
1	id
1	title
1	description
0	self []
0		href
0	alternate []
0		href
0		type
1	updated
0	items []
0		crawlTimeMsec
0		timestampUsec
0		id
0		categories []
1		title
1		published
1		updated
0		canonical []
1			href
0		alternate []
0			href
0			type
0		content {}
0			direction
1			content
1		author
0		likingUsers []
0		comments []
0		annotations []
0		origin {}
0			streamId
0			title
0			htmlUrl