Add some getters to retrieve the nodes, so we can do stuff with em.

Ticket T6

DokuWikiObjectRepresentation.class.php

@@ -172,6 +172,10 @@ class DokuWikiNameSpace extends DokuWikiNode {
     return $retval;
   }
 
+  public function getNodes() {
+    return $this->nodes;
+  }
+
 }
 
 /**
@@ -250,4 +254,8 @@ class DokuWikiIterator {
   public function toString () {
     return $this->root->toString();
   }
+
+  public function getRoot() {
+    return $this->root;
+  }
 }