Update version number to match previous tag

Warning: the tagged version still advertises version "0.4.0".

mustache.js

@@ -417,7 +417,7 @@ var Mustache = function () {
 
   return({
     name: "mustache.js",
-    version: "0.4.0",
+    version: "0.4.0-dev-familywall",
 
     /*
       Turns a template and view into HTML