0.5.0

• Message headers are now stored as a MessagePart with index 0.
• Improved MessagePart API.
• Nested base64/quoted-printable encoded message/rfc822 parts are automatically parsed when calling get_message.
• Better handling of malformed MIME messages.
• Added raw offsets to MIME parts.

0.4.8

• get_bytes_to_boundary fix (#21)

0.4.7

• Retrieving message headers in order (#19)
• Added get_raw_headers and get_header methods.
• Added get_return_address method to obtain the return address from the Return-Path or From headers.
• Support for malformed Return-Path headers.
• Support for ks_c_5601 charsets (#20)

0.4.5

• DateTime to UNIX timestamp conversion.
• Ord, PartialOrd support for DateTime (#13).
• Fixed Message::parse() panic on duplicate Content-Type headers (#14).

0.4.4

• Support for multi-line headers.
• Text and HTML message body preview.
• Improved support for raw headers.

0.4.3

• Mbox file parsing support (issue #11) conforming to the QMail specification.
• Support for bincode serialize/deserialize.

0.4.2

• Added Message::get_thread_name() to obtain the base subject of a message as defined in RFC 5957 - Internet Message Access Protocol - SORT and THREAD Extensions (Section 2.1).
• Added MimeHeader::get_attachment_name for simplified access to a MIME attachment file name.

0.4.1

• Lazy parsing of nested e-mail messages.
• Support for base64/quoted-printable nested messages.

0.4.0

• Lazy conversion to/from HTML an plain text parts.
• Improved API.
• Parts are now generics.

0.3.1

• Support for non-standard headers.
• Raw message offsets are stored in the message object.
• Message body structure is now stored in the message object.
• Lazy HTML/plain text conversion.