docs: function(coll, callback){
  		  		// Switch databases
  		  		var collection = self.db.collection(coll.name);
  		  		// Get the stats. null if empty.
  		  		collection.stats(function(err, stats){
  		  			// Add the stats to the corresponding database.
  		  			coll.stats = stats;
  			  		callback(err, coll);
  		  		});
  		  	}