start a new ruby layer to do the to_vool conversion

the "normalization" is getting more and more complicated and is not tested
And it seems i really don't like working with the untyped ast

test/ruby/test_array_statement.rb

@@ -0,0 +1,20 @@
+require_relative "helper"
+
+module Ruby
+  class TestArrayX < MiniTest::Test
+    include RubyTests
+
+    def test_empty
+      lst = compile( "[]")
+      assert_equal ArrayStatement , lst.class
+    end
+    def test_one
+      lst = compile( "[1]")
+      assert_equal ArrayStatement , lst.class
+    end
+    def test_two
+      lst = compile( "[1,2]")
+      assert_equal ArrayStatement , lst.class
+    end
+  end
+end