Is your feature request related to a problem? Please describe.
See nasa/cFE#297

Command secondary header has always been defined by GSFC as endian agnostic, code behavior didn't match definition.

Describe the solution you'd like
Make command utility (cmdUtil) command secondary header endian agnostic.

Describe alternatives you've considered
None

Additional context
None

Requester Info
Jacob Hageman - NASA/GSFC