Changes in version 0.16:

'chown' and 'chmod' are now called in the right order on extracion to
preserve the S_ISUID and S_ISGID bits of executable files.

The return value of '--delete' when failing to delete a tar member not
individually compressed has been fixed. It returned 0, but should be 2.

The header <sys/sysmacros.h> is now #included unconditionally.

The new chapter 'Portable character set' has been added to the manual.
