* Fixed error related to display_format in config file
Now _display_search_results tries to source the export arg from the
config file before dispaying search results.
* Add BDD test for original bug
* update unit test
Co-authored-by: Micah Jerome Ellison <micah.jerome.ellison@gmail.com>
Co-authored-by: Jonathan Wren <jonathan@nowandwren.com>
