Changed return types to more usable form and now you can view your shopping lists and remove data from them in the UI by right clicking the item.
Now a whole shopping list can be deleted in the GUI.
Some testing for Recipes added
Fixed some problems in retrieving recipes.
Added function RetrieveRecipeByNamePart which retrirves recipes with using a part of the name
advanced search ui
Inventory tab ListView bindings work correctly. Organized mainwindow.cs code.
Refactored item bought variable to last modified and now it looks better than ever!
Context menu on InventoryTab