Rakefile in ripple-0.9.0.beta vs Rakefile in ripple-0.9.0.beta2

@@ -9,11 +9,11 @@
   gem.description = %Q{ripple is an object-mapper library for Riak, the distributed database by Basho.  It uses ActiveModel to provide an experience that integrates well with Rails 3 applications.}
   gem.version = version
   gem.email = "[e-mail]"
   gem.homepage = "http://seancribbs.github.com/ripple"
   gem.authors = ["Sean Cribbs"]
-  gem.add_development_dependency "rspec", "~>2.0.0"
+  gem.add_development_dependency "rspec", "~>2.4.0"
   gem.add_dependency "riak-client", "~>#{version}"
   gem.add_dependency "activesupport", "~>3.0.0"
   gem.add_dependency "activemodel", "~>3.0.0"
 
   gem.files =  %W{
@@ -21,14 +21,16 @@
       lib/rails/generators/ripple/configuration/configuration_generator.rb
       lib/rails/generators/ripple/configuration/templates
       lib/rails/generators/ripple/configuration/templates/ripple.yml
       lib/rails/generators/ripple/js/js_generator.rb
       lib/rails/generators/ripple/js/templates/js/contrib.js
+      lib/rails/generators/ripple/js/templates/js/iso8601.js
       lib/rails/generators/ripple/js/templates/js/ripple.js
       lib/rails/generators/ripple/model/model_generator.rb
-      lib/rails/generators/ripple/model/templates
       lib/rails/generators/ripple/model/templates/model.rb
+      lib/rails/generators/ripple/observer/observer_generator.rb
+      lib/rails/generators/ripple/observer/templates/observer.rb
       lib/rails/generators/ripple/test/templates/test_server.rb
       lib/rails/generators/ripple/test/test_generator.rb
       lib/rails/generators/ripple_generator.rb
       lib/ripple/associations/embedded.rb
       lib/ripple/associations/instantiators.rb
@@ -58,13 +60,13 @@
       lib/ripple/embedded_document/finders.rb
       lib/ripple/embedded_document/persistence.rb
       lib/ripple/embedded_document.rb
       lib/ripple/i18n.rb
       lib/ripple/inspection.rb
-      lib/ripple/locale
       lib/ripple/locale/en.yml
       lib/ripple/nested_attributes.rb
+      lib/ripple/observable.rb
       lib/ripple/properties.rb
       lib/ripple/property_type_mismatch.rb
       lib/ripple/railtie.rb
       lib/ripple/timestamps.rb
       lib/ripple/translation.rb
@@ -93,9 +95,10 @@
       spec/ripple/embedded_document/persistence_spec.rb
       spec/ripple/embedded_document_spec.rb
       spec/ripple/finders_spec.rb
       spec/ripple/inspection_spec.rb
       spec/ripple/key_spec.rb
+      spec/ripple/observable_spec.rb
       spec/ripple/persistence_spec.rb
       spec/ripple/properties_spec.rb
       spec/ripple/ripple_spec.rb
       spec/ripple/timestamps_spec.rb
       spec/ripple/validations_spec.rb