* Prevent a single accessory setup failure from breaking all HomeKit accessories
Raise the max devices to 150 as the spec allows for this
many. Previously 100 made sense because of the event
storms when homekit started would sometimes break pairing,
as these have largely been fixed in 0.109 (still a few
to cleanup) using the HAP spec limit of 150 is now possible.
* Handle both failure states
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