code: function run (argv, stdin, stdout, stderr, callback) {
      var arguable = require('arguable'),
          runner = require('./register').runner,
          vargs = [].slice.call(arguments, 1)
      arguable.parse(__filename, argv, function (options) {
          runner(options, stdin, stdout, stderr, callback || options.fatal)
      })
  }
docs: /*
  
  ___ usage: en_US ___
  usage: register <options> [path?name=value] [name=value] [name=value]
  
  options:
  
  -P,   --pre                     a separated path of directories to prepend
  to application directory.
  
  ___ strings ___
  
  path required:
  a path to a script or script directory is required
  
  path not found:
  cannot locate path: %s
  
  ___ usage ___