add 7z creation
add 7z creation

FarGroup/FarManager,johnd0e/FarManager,johnd0e/FarManager,johnd0e/FarManager,FarGroup/FarManager,FarGroup/FarManager,FarGroup/FarManager,johnd0e/FarManager,johnd0e/FarManager,FarGroup/FarManager,johnd0e/FarManager,johnd0e/FarManager,johnd0e/FarManager,FarGroup/FarManager,FarGroup/FarManager,FarGroup/FarManager