Add Save Method to LearningObjectRepository

app/repositories/orient_db/learning_object_repository.rb

@@ -49,6 +49,10 @@ module OrientDb
       edges.flatten
     end
 
+    def save(learning_object)
+      result = connection.command "INSERT INTO LearningObject CONTENT #{learning_object.to_json}"
+    end
+
     # Usage:
     #   repository.for(:learning_objects).destroy learning_object
     #