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

utils/udp_file_transfer/main.cpp

@@ -75,7 +75,7 @@ private:
 	PIEthernet eth;
 	bool quet_;
 
-	void tick(void *, int) {
+	void tick(void *, int) override {
 		if (ft.isStarted()) {
 			ftevent();
 			updatePMT();