unless -v is given (-vv gives the old behaviour with -Dsv).
This is because the device list can change and so is not a
stable aspect of the array
+ - Allow --force with --grow so '-Gfn1' works (on raid1)
+ - Replace sprintf calls with snprintf (to quiet diet-libc)
Changes Prior to 1.11.0 release
- Fix embarassing bug which causes --add to always fail.