Removed directory_entries method.
Moved logic into display class.
Updated to buffer entries (since directory contents may change).
Moved requires into liberator.rb file.
Added directory class.
Added debugger.
Added selected_entry and select_next_entry methods.
Added select_previous_entry method.
Renamed display class to view; we're going MVC.
Added current method.
Removed controller logic and refined class to work with controller reference.
Added initial controller skeleton.
Implemented clean exit.
Passed a controller reference to the view.
Fixed requires.
Updated to instantiate controller.
Moved main listen loop into controller.
Added close method to view.
Removed automatic call to listen.
Implemented controller spec and keyboard responses.
Updated to refresh display.