- Updated to 1.897

ChangeLog:
1.897    2012-12-17
          skip mailboxes, rather than aborting the whole parse, when
          encountering non-ASCII characters (thanks, Ruslan Zakirov!)

          improve the behavior of escaping in phrases (thanks, Ruslan Zakirov!)

1.896    2012-07-31
          documentation improvements (thanks, Glenn Fowler!)

(rhaen)