Fix potential version bypass in bootloader, and add command to lock flash #373
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Fixes another issue that could lead to a version bypass as pointed out by @fcremo here.
Additionally, added a command to force flash locking to support users locked out of the official way to secure hacker models.
To force lock flash on your device, install
solo-pythonwith pip3, and runpython3 -c "import solo ; d = solo.client.find() ; d.send_data_hid(0x99 ^ 0x80,'')".