Initial working python registrar.

include/aidge/operator/Operator.hpp

@@ -128,6 +128,14 @@ public:
         return mImpl;
     }
 
+    /**
+     * @brief Get the OperatorImpl of the Operator
+     *
+     */
+    std::shared_ptr<OperatorImpl> getImpl(){
+        return mImpl;
+    }
+
     /**
      * @brief Minimum amount of data from a specific input for one computation pass.
      * @param inputIdx Index of the input analysed.