List of nodes which normally has at least one tag.
See http://wiki.openstreetmap.org/wiki/Way for more information
t() :: %Overpex.Overpass.Way{id: integer, nodes: [%Overpex.Overpass.Node{id: term, lat: term, lon: term, tags: term}], tags: [%Overpex.Overpass.Tag{key: term, value: term}]}