a python script to incrementally set the time

over bluetooth/serial.

You see the digits incrementally changing, @frillip try it with yours!
progress output
plus SPAMMING fast serial clock setter
buffers flush for reliability
+msg
add pytime_both.sh

ytime fast is unreliable, so if that doesn't work do the slow method
Merge remote-tracking branch 'upstream/master'
Merged upstream for moar length reptiles