refactor and split class

move hardware manipulation functions into new class

src/MFRC522Debug.h

@@ -0,0 +1,14 @@
+#include "MFRC522.h"
+
+#ifndef MFRC522Debug_h
+#define MFRC522Debug_h
+
+class MFRC522Debug {
+private:
+	
+public:
+	// Get human readable code and type
+	static const __FlashStringHelper *PICC_GetTypeName(MFRC522::PICC_Type type);
+	static const __FlashStringHelper *GetStatusCodeName(MFRC522::StatusCode code);
+};
+#endif // MFRC522Debug_h