Adds combobox and related buttons to save searches
It allows you to save the searches you made on the Library page to the combobox by naming them.
Usage:
When you have made a search, click the Save button and name it. This will add it to the combobox.
Select an item from the combobox and click the Search button. This will perform the related search.
Delete button lets you delete the selected saved search from the combobox list.
