Log Message:
Update to 0.38.

    * release 0.37 - Deadwing

        * fixed SSL
        * IMAP improvements
        * SASL
        * windows port
        * fixed IMAP implementation (for sylpheed)

    * release 0.36 - Silver Drop

        * memory leak
        * fixed maildir support

    * release 0.35 - Dimebag Darrell

        * minor bugfixes.

    * release 0.34 - edge

        * general
           - support for debian systems mbox
           - ability to disable thread-safe support