added Command Line Arguments, support for directories, hiding private data, not parsing the SDK, rem

pkg/docgen/test/simple/bin/simple.dart

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 /**
  * This library is used solely for testing during development and is not
  * intended to be run by the testing machines.
  */
 // TODO(tmandel): Remove this file once docgen is ready for more clear tests.
 library DummyLibrary;
 
 import 'dart:json';
 import 'dart:math';
+import 'package:args/args.dart';
+
+part 'second.dart';
+part 'sub_dir/sub_directory.dart';
 
 /// Doc comment for top-level variable.
 int _variable1 = 0;
 
 void set variable1(int abc) => _variable1 = abc;
 
-abstract class B {
+void _printVariable1() => print(_variable1);
+
+abstract class _B {
 
 }
 
 /**
  * Doc comment for class A.
+ * 
+ * Multiline Test
  */
 /*
  * Normal comment for class A.
  */
-class A implements B {
+class A implements _B {
 
   /**
    * Markdown _test_ for **class** [A] 
    */
   int _someNumber;
 
   A() {
     _someNumber = 12;
   }
+  
+  A.withThree() {
+    _someNumber = 3;
+  }
 
+  /// Originally set to 12 in constructor [A], use [A.withThree] for 3. 
   int get someNumber => _someNumber;
 
   void doThis(int a) {
     print(a);
   }
 
   int multi(int a) {
     return a * _someNumber;
   } 
 
 }
 
+/// trying to link to [ArgParser]
 main() {
   A a = new A();
   print(a.someNumber);
+  C c = new C();
+  c.doThis(5);
 }
 
 A getA(int testInt, [String testString="default"]) {
   return new A();
 }