This leaves slots available for additional uid ranges in Rosa OS.
This breaks all existing installations! Users are required to fix ownership manually.
Closes#18.
Signed-off-by: Ophestra <cat@gensokyo.uk>
The upper half is now a nanosecond timestamp. Lower half is still random bytes, so use lower half for short identifier.
Signed-off-by: Ophestra <cat@gensokyo.uk>