Log Message:
Changes 0.5.10:
* Yet another round of XPDF-related security fixes.
* Mis-detection of man pages as part of TAR archives fixed.
* More Mime-types for the OLE2 extractor.  Also ignore (harmless)
	libc errors in plugins when extracting.
* More TAR improvements: keywords 'date' and 'format' are
	extracted. More checksums variants were added. Long filenames
	as produced by GNU and Schilling tar (possibly Solaris pax also)
	are extracted.

Changes 0.5.9:
* Made TAR extractor parsing more robust.
* Fixing crash in MIME-extractor due to typo in the code.
* Fixed security problems in PDF extractor