New items and Patchs for accent letters and panels

[RocwoDev]

New items :

• AutoList : List with auto-stock of Items, auto gestion of Index and callback SetIndex to set Index
• Range : AutoList in a range and callback to set Label of list Item in Menu

Patchs :

• Added new letters (letters with accent) to string.upper function in Util.lua
• You can now use Items without Panel function