IDManager : finished Import/Export. Added merging capability to import (asks if particular ID is replaced during import). Added ESC as closing shortcut to IDManager dialog, and adjusted its size.
<?xml version='1.0' encoding='utf-8'?>
<BACnetServerNode xmlns:xsd="http://www.w3.org/2001/XMLSchema" UDP_Port_Number="47808" BACnet_Device_ID="3" BACnet_Communication_Control_Password=" " BACnet_Device_Location="Beremiz lab" Network_Interface="virbr0"/>