[Xastir] Findu Trails in 1.4.2

[Tom Tessier]

> > Did you immediately make another request while the earlier sets of
> > points were still being processed by Xastir and displayed?

Yes. This is when users get impatient with how long a trail is taking, then
re-request.

>
> I added some code that will generate a popup instead of the fetch if
> Xastir is still processing a file from the last fetch.  Perhaps that
> will solve the problem.
OK, great! I'll give it a try.
-Tom