ENH: Added serialization to the class NeuronBinary.

src/Neuron/NeuronBinary.h

@@ -17,9 +17,13 @@
  */
 class NeuronBinary:public Neuron {
     friend class boost::serialization::access;
-private:
+
+protected:
     template<class Archive>
-    void serialize(Archive & ar, const unsigned int version);
+    void serialize(Archive & ar, const unsigned int version){
+        //TODO separate implementation to NeuronLogistic.cpp!
+        ar & boost::serialization::base_object<Neuron>(*this);
+    };
 
 public: