Log Message:
Update to 1.4.0.10. Changes:

Added iconv output support via -x<set>.

Fixed up the BASE64 decoding detection of boundaries which are sometimes missed.

Updated ripOLE to handle nameless / unknown stream blobs.

Added a header fixing routine in MIME_headers, this fix attempts
to unwrap headers which are missing a leading space on the next line
This feature can be disabled using --disable-headerfix.

Added recursion facility if the input mailpack/MIME file is a directory.