1.1
* Use Band ID from VEX FREQ section as the band name if present
* Create obsolete HEAD_POS, PASS_ORDER if not present in input VEX
* Retain the VEX CLOCK entries as-is by default
* New cmd line option --zero-clocks (-z) to enable earlier behaviour, i.e.,
  replace VEX CLOCKs with clock_early at first scan and delay, rate of zero

1.0 
* Initial version