WKS query handling for CSV2 star entries

[Sam Trenholme]

> Well, you've found a bug then.  I will update MaraDNS so that the 1.4
> and 2.0 releases don't allow stars or other characters that will
> result in broken behavior like this.

OK, done.  I have fixed the head (1.4/2.0) branch of MaraDNS so stars
are no longer allowed in zone names.   In addition, I have added a FAQ
entry that briefly discusses MaraDNS' star record support:

http://maradns.org/faq.html#star

- Sam