Log Message:
Updated to version 0.30.

Pkgsrc changes:
  - none

Changes since version 0.29:
===========================
Version 0.30 - released 2008-01-10

 * includes speed-up optimizations by Mark Martinec
 * DomainKeys, implement proper identity matching...
   a DomainKey-Signature's domain should match the From/Sender address
 * several more test cases
 * API improvements:
   * accept additional arguments when creating Signer/Signature
 * bugfixes:
   * DomainKey-Signature headers were not "prettified"
   * granularity ending with '*' was not checked correctly
   * DomainKey-Signature granularity was checked against the wrong value