Major refactor to all the project.
 - Added directory structure
 - Added several files with classes
 - Added tests, Rake file and resources

Add files for refactor

Added tests, logger and rake file.

Added AudioFile get tests.

Fix tests.

Added print and full_date.

Added navigator.

Reorganize files tests

Audio factory tests

added navigator#get_files

added invalid file

List action test

Begin the refactor of date by context feature

Begin the refactor of date by context feature

Midle of refactor of date by context feature

Added context feature.

Added nokogiri feature.

Added title2year feature