The check (--check=# or -#) is now a bit field allowing a new check
level of 3 (three, --check=3 or -3) to enable both parse time checks
using a system call to ipset test per record and restore time checks.
USAGE: save-restore.sh [ ipset-save-file(s) ]
Expects to be called with some filenames or in a folder with
files matching *.save. Orchistrates save-count, ccombine-counts,
and combine-saves to load all of the unique ip addresses in
all the ipset save files into sets that fit them.