Fixed typo in class name
Override to_s method
Added methods to rent and return an item
Added a method to show all items of a class in order
Rent and delete methods now working
Added the option torent and return an item to the menu
Fixed interaction with the user
Added handler for where there are no objects on the show_all method
Bug fixes
Merge pull request #1 from OscarSwanros/feature/rent-item

feature/rent-item