properties.rb in ripple-0.9.2

- old
+ new

@@ -9,11 +9,13 @@
 #    Unless required by applicable law or agreed to in writing, software
 #    distributed under the License is distributed on an "AS IS" BASIS,
 #    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 #    See the License for the specific language governing permissions and
 #    limitations under the License.
-require 'ripple'
+
 require 'ripple/core_ext/casting'
+require 'active_support/core_ext/hash/except'
+require 'active_support/core_ext/hash/indifferent_access'
 
 module Ripple
   # Adds the ability to declare properties on your Ripple::Document class.
   # Properties will automatically generate accessor (get/set/query) methods and
   # handle type-casting between your Ruby type and JSON-compatible types.