Add Github::Representation::Base#id

lib/github/representation/base.rb

@@ -6,6 +6,10 @@ module Github
         @options = options
       end
 
+      def id
+        raw['id']
+      end
+
       def url
         raw['url']
       end

lib/github/representation/repo.rb

@@ -1,9 +1,6 @@
 module Github
   module Representation
     class Repo < Representation::Base
-      def id
-        raw['id']
-      end
     end
   end
 end

lib/github/representation/user.rb

@@ -1,10 +1,6 @@
 module Github
   module Representation
     class User < Representation::Base
-      def id
-        raw['id']
-      end
-
       def email
         return @email if defined?(@email)