Fix broken app reference in closure.

lib/mojito.js

@@ -520,7 +520,7 @@ MojitoServer.prototype.getWebPage = function(url, opts, cb) {
  *     and the URL's content.
  */
 MojitoServer.prototype.getWebPages = function(urls, cb) {
-    var app = this,
+    var server = this,
         callback,
         count,
         len,
@@ -542,7 +542,7 @@ MojitoServer.prototype.getWebPages = function(urls, cb) {
     // the list. When the list is empty we can stop.
     initOne = function() {
         if (count < len) {
-            app.getWebPage(urls[count], function(err, url, data) {
+            server.getWebPage(urls[count], function(err, url, data) {
                 count += 1;
                 try {
                     callback(err, url, data);
@@ -603,6 +603,7 @@ MojitoServer.prototype.setLogWriter = function(writer) {
 MojitoServer.prototype.start = function(cb) {
 
     var logger,
+        app = this._app,
         callback = cb || Mojito.NOOP;
 
     if (this._options.verbose) {
@@ -619,7 +620,7 @@ MojitoServer.prototype.start = function(cb) {
         this._app.listen(this._options.port, null, function(err) {
             // NOTE that we're passing the private app instance here!!!
             // TODO: Verify we want to do this, as opposed to passing 'this'.
-            callback(err, this._app);
+            callback(err, app);
         });
     } catch (err) {
         callback(err);