When no revision is passed, fetch latest version

Author: chiel

lib/bundle.js

@@ -140,7 +140,7 @@ Bundle.find = function(hash, revision, cb){
 			});
 		} else {
 			coll.find(query)
-			.sort({meta: {revision: -1}})
+			.sort({'meta.revision': -1})
 			.toArray(function(err, docs){
 				if (err || !docs || !docs.length){
 					cb('Not found');