PIIODevice::bytesAvailible()

fix pistringlist pibinarystream write
pibinarystream::binaryStreamSize()
PIByteArray pibinarystream read with more size fix
pistring pibinarystream read optimization
fix bug in PIIOBinaryStream read and write if failed
workaround in PIIOString::readDevice
PISPI readDevice bug Fixed

libs/main/io_devices/pigpio.h

@@ -112,9 +112,9 @@ private:
 	void exportGPIO(int gpio_num);
 	void openGPIO(GPIOData & g);
 	bool getPinState(int gpio_num);
-	void begin();
-	void run();
-	void end();
+	void begin() override;
+	void run() override;
+	void end() override;
 
 	static PIString GPIOName(int gpio_num);