JS function tweak, thank, @nathan!

lists.js

@@ -61,7 +61,7 @@ PushButtonMorph, SyntaxElementMorph, Color, Point, WatcherMorph,
 StringMorph, SpriteMorph, ScrollFrameMorph, CellMorph, ArrowMorph,
 MenuMorph, snapEquals, Morph, isNil, localize, MorphicPreferences*/
 
-modules.lists = '2014-July-18';
+modules.lists = '2014-July-27';
 
 var List;
 var ListWatcherMorph;

threads.js

@@ -83,7 +83,7 @@ ArgLabelMorph, localize, XML_Element, hex_sha512*/
 
 // Global stuff ////////////////////////////////////////////////////////
 
-modules.threads = '2014-July-25';
+modules.threads = '2014-July-27';
 
 var ThreadManager;
 var Process;
@@ -743,7 +743,7 @@ Process.prototype.reifyPredicate = function (topBlock, parameterNames) {
 
 Process.prototype.reportJSFunction = function (parmNames, body) {
     return Function.apply(
-        Object.create(Function.prototype),
+        Object.create(null),
         parmNames.asArray().concat([body])
     );
 };