- Fix DNS requests handling with no servers configured or when they are unavailable ([175c04ac](https://github.com/xoseperez/espurna/commit/175c04acc1afeacdd17f7a7721ebaa21ce5ef347))
- GPIO lock result stored with the request in the log; show WebUI notification when failures occur ([3a1e041f](https://github.com/xoseperez/espurna/commit/3a1e041f5166d4ae459f3ab1853996b2606ee01a))