Bogofilter: In addition to deleting or saving a spam message, allow third option, where such message is only marked as spam, but is let through for user to handle it further (perhaps via filtering rules).
remove unused code relating to old unsupported version of libarchive
Merge branch 'master' of ssh+git://git.claws-mail.org/home/git/claws
Use GLib's implementation of Base64 instead of our own.
fix a couple of memory leaks
Fix SMTP LOGIN auth method.
Get rid of a forgotten debug_print().
Remove double-free in SMTP AUTH PLAIN handling code.
Fix double free
Fix use after free
Add a wrapper function to decode base64, returning a null-terminated string.
* Add a warning in case the length of the string isn't the length of
the decoded base64 content.
* Base64-encoded crypt results of the passwords can contain \0, so
treat them as binary.
Fix address out of bounds crash while decoding mails

For reference last stack frame:

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff1e820ca in ?? () from /lib/x86_64-linux-gnu/libc.so.6
(gdb) bt full
No symbol table info available.
    encoded_str=0x7fffffff23e6 "=?UTF-8?B?RGF2aWQgUHLDqXZvdA==?= <david@tilapin.org>", addr_field=1) at unmime.c:135
        decoded_text = 0xffffffffcdd6a0c0 <Address 0xffffffffcdd6a0c0 out of bounds>
        quote_p = 0x0
        len = 5
        p = 0x7fffffff23e6 "=?UTF-8?B?RGF2aWQgUHLDqXZvdA==?= <david@tilapin.org>"
        eword_begin_p = 0x7fffffff23e6 "=?UTF-8?B?RGF2aWQgUHLDqXZvdA==?= <david@tilapin.org>"
        encoding_begin_p = 0x7fffffff23ed "?B?RGF2aWQgUHLDqXZvdA==?= <david@tilapin.org>"
        text_begin_p = 0x7fffffff23ef "?RGF2aWQgUHLDqXZvdA==?= <david@tilapin.org>"
        eword_end_p = 0x7fffffff2404 "?= <david@tilapin.org>"
        charset = "UTF-8", '\000' <repeats 19 times>, "\001\000\000\000\000\000\000"
        encoding = 66 'B'
        conv_str = 0x7fffcdd6a730 "\003"
        outbuf = 0xe45380
        out_str = 0x7fffcdd60e50 "E1Xq7ru-0002EK-Ro@franck.debian.org"
        out_len = 13
        in_quote = 0