fixed simple layout offset bug in layout

lib/parfait/layout.rb

@@ -40,6 +40,7 @@ module Parfait
     # TODO , later we would need to COPY the layout to keep the old constant
     #        but now we are concerned with booting, ie getting a working structure
     def add_instance_variable name
+      self.push(1) if self.get_length == 0
       self.push(name)
       self.get_length
     end
@@ -51,7 +52,7 @@ module Parfait
 
     def object_instance_names
       names = List.new
-      index = 2 # first is object_class
+      index = 3
       while index <= self.get_length
         item = get(index)
         names.push item
@@ -74,6 +75,19 @@ module Parfait
       list_index(name)
     end
 
+    def inspect
+      ret = "Layout["
+      index = 3
+      while index <= self.get_length
+        item = get(index)
+        ret += item.inspect
+        ret += "," unless index == self.get_length
+        index = index + 1
+      end
+      ret += "]"
+      ret
+    end
+
     def sof_reference_name
       "#{self.object_class.name}_Layout"
     end