Add failt-handling in registry-register_node()

Author: bouwew

plugwise_usb/network/registry.py

@@ -257,7 +257,10 @@ async def register_node(self, mac: str) -> None:
             raise NodeError(f"MAC '{mac}' invalid")
 
         request = NodeAddRequest(self._send_to_controller, bytes(mac, UTF8), True)
-        await request.send()
+        try:
+            await request.send()
+        except StickError as exc:
+            raise NodeError("{exc}") from exc
 
     async def unregister_node(self, mac: str) -> None:
         """Unregister node from current Plugwise network."""