added complex key structure support

ex: #foo?foo[a]=b

  {
    'foo': {
      'a': 'b'
    }
  }

backbone.js

@@ -726,6 +726,26 @@
     _extractParameters : function(route, fragment) {
       var params = route.exec(fragment).slice(1);
 
+      var keyPattern = /^[^\]]/; // detect a hash key pattern - a in a[b]
+      var valuePattern = /\[(.*)\]/; // detect a hash value pattern - b in a[b]
+      var setValue = function(key, value, data) {
+        var valueMatch = key.match(valuePattern);
+        if (valueMatch) {
+          var keyMatch = key.match(keyPattern);
+          if (keyMatch) {
+            // we have a hash structure
+            var key = keyMatch[0];
+            data[key] = data[key] || {};
+            var newKey = valueMatch[valueMatch.length-1];
+            setValue(newKey, value, data[key]);
+          } else {
+            data[key] = value;
+          }
+        } else {
+          data[key] = value;
+        }
+	  };
+
       // do we have an additional query string?
       var match = params.length && params[params.length-1] && params[params.length-1].match(queryStringParam);
       if (match) {
@@ -736,7 +756,7 @@
           _.each(keyValues, function(keyValue) {
             var arr = keyValue.split('=');
             if (arr.length > 1 && arr[1]) {
-              data[arr[0]] = decodeURIComponent(arr[1]);
+              setValue(arr[0], decodeURIComponent(arr[1]), data);
             }
           });
         }

test/router.js

@@ -96,6 +96,19 @@ $(document).ready(function() {
     }, 10);
   });
 
+  asyncTest("Router: routes (two part - query params - hash)", 6, function() {
+    window.location.hash = 'search/nyc/p10?a=b&b[c]=d&b[d]=e&b[e[f]]=g';
+    setTimeout(function() {
+      equals(router.query, 'nyc');
+      equals(router.page, '10');
+      equals(router.queryParams.a, 'b');
+      equals(router.queryParams.b.c, 'd');
+      equals(router.queryParams.b.d, 'e');
+      equals(router.queryParams.b.e.f, 'g');
+      start();
+    }, 10);
+  });
+
   test("Router: routes via navigate", 2, function() {
     Backbone.history.navigate('search/manhattan/p20', true);
     equals(router.query, 'manhattan');