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_installPackage

This function is not yet implemented. At this time, it returns always nil.

Prototype :

fun [P S I I] I

• P : a 7zip archive
• S : a title to display
• I : overwrite (1) all already existed files or not (0)
• I : do a backup for each existed file (1) or not (0)

Return : I 0 if success or nil if arguments are invalid or an error code number.