- DNS TTLs and other 32 bit unsigned values are now represented as   longs, not ints.  This is an API change, but allows the full range   to be used. - Add the Serial class for serial arithmetic.
- DNS TTLs and other 32 bit unsigned values are now represented as
  longs, not ints.  This is an API change, but allows the full range
  to be used.
- Add the Serial class for serial arithmetic.


git-svn-id: fcb33a7ee5ec38b96370833547f088a4e742b712@1098 c76caeb1-94fd-44dd-870f-0c9d92034fc1

justinsb/dnsjava