Refactoring class ItemManager. Simplifying if statements by replacing quality checking logic into other methods (IsItemBelowSellIn) and introducing UpdateItemAfterSellIn method which is responsible for updating the quality of an item once the SellIn value goes below 0.
Refactoring class ItemManager. Simplifying if statements by replacing quality checking logic into other methods (IsItemBelowSellIn) and introducing UpdateItemAfterSellIn method which is responsible for updating the quality of an item once the SellIn value goes below 0.

KarimLjung/GildedRoseRefactored