move vool statements into own directory

also tests for guard to work

test/vool/test_class_statement.rb

@@ -1,28 +0,0 @@
-require_relative "helper"
-
-module Vool
-  class TestClassStatement < MiniTest::Test
-
-    def setup
-      input = "class Tryout < Base;end"
-      @lst = RubyCompiler.compile( input )
-    end
-
-    def test_compile_class
-      assert_equal ClassStatement , @lst.class
-    end
-
-    def test_compile_class_name
-      assert_equal :Tryout , @lst.name
-    end
-
-    def test_compile_class_super
-      assert_equal :Base , @lst.super_class_name
-    end
-
-    def test_compile_class_body
-      assert_equal [] , @lst.body
-    end
-
-  end
-end