fix module handling at ruby level

Was returning arrays instead of Statements, which messed things up

test/ruby/test_module_name.rb

@@ -4,11 +4,14 @@ module Ruby
   class ModuleNameTest < Minitest::Test
     include RubyTests
 
-    def test_parfait_module
-      assert_equal [nil],  compile("module Parfait ; end")
+    def test_parfait_module_scoped
+      lst = compile("module Parfait ;  1 ; 1 ; end")
+      assert_equal ScopeStatement,  lst.class
+      assert_equal IntegerConstant,  lst.first.class
+      assert_equal 2,  lst.length
     end
     def test_parfait_module_const
-      assert_equal IntegerConstant,  compile("module Parfait ; 1;end").first.class
+      assert_equal IntegerConstant,  compile("module Parfait ; 1;end").class
     end
 
     def test_module_parfait_removed