portability. I put it in this directory instead of the root since I think
perhaps it makes more sense.

if large file support is available

when converting to ints

999 days

to a "days + hours" or even "just days" display if the time value is very
large. I also switched several calculations over to fixed-point instead of the
previous doubles.

true.

package man and doc files in a slightly different location.

They're 0-bytes files, but make the dirs get created!