basic require_relative (hack)

opted to hack require to be getting on
need require for the test helper
and the files in lib/parfait

General require mechanism would still be ok, but require_ralative means implementing file source, which needs to be dragged around. I'll make an issue

lib/ruby/send_statement.rb

@@ -6,13 +6,27 @@ module Ruby
   class SendStatement < CallStatement
 
     def to_vool
-      return super unless @receiver.is_a?(ModuleName) and @receiver.name == :X
-      args = @arguments.collect { |arg| arg.to_vool }
-      Vool::MacroExpression.new(name , args)
+      if @receiver.is_a?(ModuleName) and @receiver.name == :X
+        args = @arguments.collect { |arg| arg.to_vool }
+        return Vool::MacroExpression.new(name , args)
+      end
+      return require_file if( @name == :require_relative )
+      return super
     end
     def to_s(depth = 0)
       at_depth( depth , "#{receiver}.#{name}(#{arguments.join(', ')})")
     end
+    def require_file
+      target = @arguments.first.value
+      if(target == 'helper')
+        file = "/test/rubyx/rt_parfait/helper.rb"
+      else
+        file = "/lib/parfait/#{target}.rb"
+      end
+      path = File.expand_path(  "../../../#{file}" , __FILE__)
+      source = File.read(path)
+      RubyCompiler.compile( source ).to_vool
+    end
   end
   class SuperStatement < SendStatement
     def initialize(args)