Log Message:
Update to 2.31:

New things in Zip 2.31

- Crypt now part of source distribution (see Readme.cr)
- Bug fixes:
  - Debian patch 001 - Converted quoted strings
  - Debian patch 002 - Makefile changes
  - Debian patch 003 - Build changes
  - Debian patch 004 - Changes to unix/configure
  - Debian patch 005 - Fix for FNMAX path bug
- Split VMS -V into -V and -VV (see Manual)
- New VC6 project files thanks to Cosmin
- AtheOS port (thanks to Ruslan Nickolaev)
- Add api.c kluge for zip32.dll to support Visual Basic
- Binary detection changed from 20% binary to new algorithm
  that should better detect word processing files as binary
  and should accept UTF-8 files as text.  This flags the file
  in the archive as TEXT or BINARY for use by UnZip for line
  end conversion (see proginfo/txtvsbin.txt)
- License update
- DJGPP fixes
- Many Makefile updates
- Fixes to ZipSplit, ZipNotes, and ZipCloak