Log Message:
Update to 0.05:

0.05 Sat Feb 19 03:51:57 CET 2011
        [ENHANCEMENTS]
        - Add support for Text-content-sha1 node property
        - Don't create text or property blocks if they don't exist in
          a dump. (Rocco Caputo)
        - Add a digest() method to SVN::Dump::Text
          (Inspired by a patch by Scott MacPhee, RT #56868)
        - Add support for Text-content-sha1 / Text-copy-source-sha1
          (RT #60207)
        - New option check_digest that will, when reading a non-delta
          dump, ensure that the content digest are valid
        - Properly ignore blank lines between records (RT #25467, #28645)