* TODO [2014-12-19 Jum] fatten: create default profile for pericmd, pericmd-lite apps (if detected script is using one of those)
* TODO [2014-12-19 Jum] fatten: option (subcommand?) to test result

  allow specifying args (already there), allow specifying expected result and
  expected exit code.
  
  note that we can use lib::core::only for this.
  
  option to fatpack *and* test.
