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

pkg/docgen/test/sample.dart

Index: pkg/docgen/test/sample.dart
diff --git a/pkg/docgen/example/test.dart b/pkg/docgen/test/sample.dart
similarity index 91%
copy from pkg/docgen/example/test.dart
copy to pkg/docgen/test/sample.dart
index d93b63ff75ba99495ee83e4801ae63f174032dd8..2de6c5e8834cc1ab9a734712e285ca7896ab6c45 100755
--- a/pkg/docgen/example/test.dart
+++ b/pkg/docgen/test/sample.dart
@@ -17,7 +17,9 @@ int _variable1 = 0;
 
 void set variable1(int abc) => _variable1 = abc;
 
-abstract class B {
+void _printVariable1() => print(_variable1);
+
+abstract class _B {
 
 }
 
@@ -27,7 +29,7 @@ abstract class B {
 /*
  * Normal comment for class A.
  */
-class A implements B {
+class A implements _B {
 
   /**
    * Markdown _test_ for **class** [A]