Log Message:
Update to 1.6.0.
- supports DESTDIR
- Accept Python 2.5

ChangeLog:
2007-11-25  Bob Halley  <halley@dnspython.org
* dns/query.py (_wait_for): if select() raises an exception due to
  EINTR, we should just select() again.
2007-06-13  Bob Halley  <halley@dnspython.org>
* dns/inet.py: Added is_multicast().
* dns/query.py (udp):  If the queried address is a multicast address, then
  don't check that the address of the response is the same as the address
  queried.
2007-05-24  Bob Halley  <halley@dnspython.org>
* dns/rdtypes/IN/NAPTR.py: NAPTR comparisons didn't compare the
  preference field due to a typo.