Stats tree seems to work properly, including pruning of "empty" leaves
diff --git a/model/ccnx-name-components.cc b/model/ccnx-name-components.cc
index a79b6bb..a0a12da 100644
--- a/model/ccnx-name-components.cc
+++ b/model/ccnx-name-components.cc
@@ -50,6 +50,13 @@
   is >> *this;
 }
 
+CcnxNameComponents::CcnxNameComponents (const char *prefix)
+{
+  NS_ASSERT (prefix != 0);
+  
+  istringstream is (prefix);
+  is >> *this;
+}
 
 const std::list<std::string> &
 CcnxNameComponents::GetComponents () const