* NEW: Mime.Encode() and Mime.Decode() are two new methods to encode to and
  decode from base64, quoted-printable or uuencode encoding.
* NEW: Support for message parts. The MimePart.Message property will return
  the MimeMessage embedded inside the part.


git-svn-id: svn://localhost/gambas/trunk@5119 867c0c6c-44f3-4631-809d-bfa615b0a4ec