Uses monotonic clock for uploaded uptime calculation to fix #108 .
There are other areas where a non-monotonic clock is used to trigger the output of display messages, resulting in extra messages when the clock jumps, however this wasn't included in the fix as in that case no incorrect data is displayed.
Uses monotonic clock for uploaded uptime calculation to fix #108 .
There are other areas where a non-monotonic clock is used to trigger the output of display messages, resulting in extra messages when the clock jumps, however this wasn't included in the fix as in that case no incorrect data is displayed.