This will only cause a single request. Data is cached for as long
as the Expiry header on the first request says it should.
+The resolver part of the module is an experimental addition that
+queries the Metadata API multiple times and orders results based on
+an edit distance measure.
+>>> import spotimeta.resolver
+>>> r = spotimeta.resolver.Resolver()
+>>> r.multiquery(artist='Bjork', album='Post', track='Army of Me')