This will reduce the recurring maintenance overhead of keeping the same information up to date in multiple places
Only the most common use cases are covered in the usage help text now
* Fix VCD timestamps.
VCD simulation timestamps are integers.
eb71c31cf1 changed them to doubles which
causes the files to be unreadable.
* Fix VCD byte values
no spaces allowed between b and the bits. Value will be left-extended
with zeros.
