Get a basic MetaClass going

Does get created in new, but not in boot.
Also not yet used in compiling

lib/risc/parfait_boot.rb

@@ -146,7 +146,7 @@ module Parfait
                        arguments_type: :Type , self_type: :Type, frame_type: :Type ,
                        name: :Word , blocks: :Block} ,
       Class: {instance_methods: :List, instance_type: :Type,
-              name: :Word, super_class_name: :Word },
+              name: :Word, super_class_name: :Word , meta_class: :MetaClass},
       DataObject: {},
       Data4: {},
       Data8: {},
@@ -158,6 +158,7 @@ module Parfait
       Message: { next_message: :Message,   receiver: :Object, frame: :NamedList ,
                  return_address: :Integer, return_value: :Object,
                  caller: :Message , method: :TypedMethod ,     arguments: :NamedList },
+      MetaClass: {instance_methods: :List, instance_type: :Type, clazz: :Class },
       NamedList: {},
       NilClass: {},
       Object: {},