Unit testing for class

[stany24]

Create a new unit test project called UnitTestLibrary.
Add unit tests to all classes in the project LibraryData.

[stany24]

Done for Url, HistoriqueUrl and StreamOptions

[stany24]

Done for IpForTheWeek

[stany24]

Created the architecture of all Unit Tests

[stany24]

Configuration class is entirely tested.