there are people who want to use FbGraph2::Node without any object type detection..

close #21

lib/fb_graph2/attribute_assigner.rb

@@ -16,7 +16,6 @@ module FbGraph2
     end
 
     def assign(attributes)
-      self.raw_attributes = attributes
       Array(self.class.registered_attributes).each do |type, keys|
         keys.each do |key|
           if attributes.include? key

lib/fb_graph2/node.rb

@@ -9,6 +9,7 @@ module FbGraph2
 
     def initialize(id, attributes = {})
       self.id = id
+      self.raw_attributes = attributes
       assign attributes if respond_to? :assign
       authenticate attributes[:access_token] if attributes.include? :access_token
     end

spec/fb_graph2/node_spec.rb

@@ -70,7 +70,7 @@ describe FbGraph2::Node do
     describe '#initialize' do
       its(:id) { should == 'identifier' }
       its(:access_token) { should be_nil }
-      its(:raw_attributes) { should be_nil }
+      its(:raw_attributes) { should == {} }
     end
 
     describe '#authenticate' do