Check for the existence of data first in 'Backbone.Collection.prototy…

…pe.parse'

backbone-tastypie.js

@@ -68,7 +68,7 @@
 	};
 
 	Backbone.Collection.prototype.parse = function( data ) {
-		return data.objects;
+		return data && data.objects;
 	};
 
 	Backbone.Collection.prototype.url = function( models ) {