Add option to sort items alphabetically

[samplue]

An option to sort items in Recall toolbox alphabetically would be really helpful. I tend to store items based on scene number, but they currently sort in the order they are added.

[samplue]

Actually they sort correctly, it was just my naming convention that was messing with the order.

2-101 would sort before 2-33. If you change 2-33 to 2-033 it will sort correctly.