Fix BowlingGame Tests

Setup and TearDown should run between each test instead of once
Fix RecentlyUsedList Tests

Setup and TearDown should run between each test instead of once
Fix FizzBuzz Tests

Updated _resultFizz with expected Buzz's.
Commented out _result and ignored test
Fixed failing test CanGetAverageOfSeries() becasue of missing CultureInfo.InvariantCulture in ToString()