fixup names in builtin module

lib/virtual/boot_space.rb

@@ -70,16 +70,18 @@ module Virtual
       # dummies, just for the other to compile
       obj = get_or_create_class :Object
       [:index_of , :_get_instance_variable , :_set_instance_variable].each do |f|
-        #puts "Boot Object::#{f}"
         obj.add_instance_method Builtin::Object.send(f , @context)
       end
-      [:putstring,:putint,:fibo,:exit].each do |f|
-        #puts "Boot Kernel::#{f}"
+      obj = get_or_create_class :Kernel
+      [:main , :__init__,:putstring,:exit].each do |f|
         obj.add_instance_method Builtin::Kernel.send(f , @context)
       end
+      obj = get_or_create_class :Integer
+      [:putint,:fibo].each do |f|
+        obj.add_instance_method Builtin::Integer.send(f , @context)
+      end
       obj = get_or_create_class :String
       [:get , :set , :puts].each do |f|
-        #puts "Boot String::#{f}"
         obj.add_instance_method Builtin::String.send(f , @context)
       end
       obj = get_or_create_class :Array