v0.6.12-beta

Release Notes

1. Added support for concurrent requests when bound to a non-zero port.
2. Reworked message handling to discard invalid responses with a warning to improve stability of long-running services.
3. Commonalised broadcast and broadcastTo implementation.
4. Reworked Status type to allow nil events.
5. Reworked formatting of Version type output string.
6. Added name and timezone to Device struct pending support for devices in multiple time zones.