Reboot commands now complete faster.

NORMAL power mode now correctly detected for immersion and hydro miners running Braiins.

Error codes added for stock firmware.

IDLE detection fixed for stock firmware when boards are missing, and for Z15s waking from sleep.

Error codes added.

Missing board detection corrected.

IDLE detection corrected.

Firmware upgrade support added.

IDLE detection fixed on newer firmware versions.

Improved error messaging when a miner is in a corrupt state and cannot process commands (e.g. enc json load error).