Support repeated application options by passing an array of values

The motivating example was:

  $application_options => {
    py-autoreload => 1,
    touch-reload => [
      'file1',
      'file2',
      'file3',
    ],
  }

Signed-off-by: Ray Lehtiniemi <rayl@mail.com>
Merge pull request #6 from rayl/master

Support repeated application options by passing an array of values