rename singleton_class to single_class and misc

was clashing with real ruby method name
also many superclass mismatch fixes
some misc

test/rubyx/helper.rb

@@ -15,6 +15,7 @@ module RubyX
     end
     def compile_in_test( input , options = {})
       vool = ruby_to_vool(in_Test(input) , options)
+      vool.to_parfait
       vool.to_mom(nil)
       itest = Parfait.object_space.get_class_by_name(:Test)
       assert itest
@@ -23,7 +24,7 @@ module RubyX
   end
   module ParfaitHelper
     include Preloader
-    
+
     def load_parfait(file)
       File.read File.expand_path("../../../lib/parfait/#{file}.rb",__FILE__)
     end

test/rubyx/macro/test_integer_comparison.rb

@@ -8,7 +8,7 @@ module RubyX
       def len ; 25 ; end
       def source
         <<GET
-        class Integer
+        class Integer < Data4
           def #{op}(other)
             X.comparison(:"#{op}")
           end

test/rubyx/macro/test_integer_div10.rb

@@ -6,7 +6,7 @@ module RubyX
       include MacroHelper
       def source
         <<GET
-        class Integer
+        class Integer < Data4
           def div10
             X.div10
           end

test/rubyx/macro/test_integer_div4.rb

@@ -6,7 +6,7 @@ module RubyX
       include MacroHelper
       def source
         <<GET
-        class Integer
+        class Integer < Data4
           def div4
             X.div4
           end

test/rubyx/macro/test_integer_operator.rb

@@ -7,7 +7,7 @@ module RubyX
       def op ; :+ ; end
       def source
         <<GET
-        class Integer
+        class Integer  < Data4
           def #{op}(other)
             X.int_operator(:"#{op}")
           end

test/rubyx/macro/test_word_get.rb

@@ -6,7 +6,7 @@ module RubyX
       include MacroHelper
       def source
         <<GET
-        class Word
+        class Word < Data8
           def get_internal_byte(at)
             X.get_internal_byte
           end

test/rubyx/macro/test_word_putstring.rb

@@ -6,7 +6,7 @@ module RubyX
       include MacroHelper
       def source
         <<GET
-        class Word
+        class Word < Data8
           def putstring
             X.putstring
           end

test/rubyx/macro/test_word_set.rb

@@ -6,7 +6,7 @@ module RubyX
       include MacroHelper
       def source
         <<GET
-        class Word
+        class Word < Data8
           def set_internal_byte( at , value)
             X.set_internal_byte
           end