Semi-success with "fair" sharing without NACKs

There was a bug, causing empty queue on consumer nodes
diff --git a/model/pit/ndn-pit-entry.h b/model/pit/ndn-pit-entry.h
index 7f4ef0e..259af75 100644
--- a/model/pit/ndn-pit-entry.h
+++ b/model/pit/ndn-pit-entry.h
@@ -262,6 +262,12 @@
   GetOutgoing () const;
 
   /**
+   * @brief Get number of outgoing faces (needed for python bindings)
+   */
+  uint32_t
+  GetOutgoingCount () const;
+  
+  /**
    * @brief Add new forwarding strategy tag
    */
   inline void