What's new:
* GattLocalService class: new property "Connectable";
* GattLocalService class: new property "Discoverable";
* RfCommClient: Write() method code reworked to prevent from WCL_E_BLUETOOTH_UNEXPECTED error when an application writes big data;
* RfCommServer: Write() method code reworked to prevent from WCL_E_BLUETOOTH_UNEXPECTED error when an application writes big data;
* RfCommServer: Fixed possible A/V appeared on some platforms;
* Demo applications updated;
* C++ Edition: memory leaks during classic discovering fixed;
* C++ Edition: resource leaks during classic discovering fixed;
* C++ Edition: memory leaks in OBEX FTP Dir() operation fixed;
* C++ Edition: Fixed "Not connected" error in FtpClient demo application.
https://www.btframework.com/bluetoothframework.htm
