fix old tests again

lib/parfait/object.rb

@@ -68,7 +68,7 @@ module Parfait
     end
 
     def instance_variable_defined name
-      layout().index_of(name)
+      get_layout().index_of(name)
     end
 
     # Object

lib/parfait/word.rb

@@ -109,7 +109,7 @@ module Parfait
 
     # as we answered is_value? with true, sof will create a basic node with this string
     def to_sof
-      "\"#{to_s}\""
+      "'" + to_s + "'"
     end
 
     #below here is OLD, DUBIOUS and needs to be checked TODO

lib/virtual/instruction.rb

@@ -1,4 +1,5 @@
-require_relative "object"
+
+require_relative "positioned"
 
 module Virtual
 
@@ -9,7 +10,8 @@ module Virtual
   # It is actually the point of the virtual machine layer to express oo functionality in the set of
   #  instructions, thus defining a minimal set of instructions needed to implement oo.
 
-  class Instruction < Virtual::Object
+  class Instruction
+    include Positioned
 
     # simple thought: don't recurse for Blocks, just check their names
     def == other