More changes since 1.1
- Fixed support for 64bit builds for archives with "PKWARE" password.
- Changed long, unsigned long, unsigned to unsigned int in 
  access functions to crctables and pkeys
  
  Credits 
  
    Lucio Cosmo
    
- Added support for AE-2 zip files
- Fixed error in AE-1 not testing CRC32

  Credits
  
    Steven Christy
      
Changes since 1.1
- Added PKZIP spanning support
- Added AES encryption support
- Added I/O buffering
- Clean up & changed unzLocateFile to support custom comparison function
- Clean up, removed zipRemoveExtraInfoBlock

  Credits

    Nathan Moinvaziri

Change in 1.1
- Added ZIP64 support for unzip ( by Even Rouault )
- Added ZIP64 support for zip ( by Mathias Svensson )
- Reverted some changed that Even Rouault did.
- Bunch of patches received from Gulles Vollant that he received for MiniZip from various users.
- Added unzip patch for BZIP Compression method (patch create by Daniel Borca)
- Added BZIP Compress method for zip
- Did some refactoring and code cleanup
   
 Credits
 
  Gilles Vollant    - Original MiniZip author
  Even Rouault      - ZIP64 unzip Support

   2007-2008
    - Addition of cpl_unzGetCurrentFileZStreamPos
    - Decoration of symbol names unz* -> cpl_unz*
    - Remove old C style function prototypes
    - Add unzip support for ZIP64
   
  Daniel Borca      - BZip Compression method support in unzip
  Mathias Svensson  - ZIP64 zip support ( http://result42.com )

   Oct-2009 unzip.c
    - Removed cpl_* from symbol names
    - Fixed problem if uncompressed size was > 4G and compressed size was <4G
      should only read the compressed/uncompressed size from the Zip64 format if
      the size from normal header was 0xffffffff
    - Applied some bug fixes from patches received from Gilles Vollant
    - Applied support to unzip files with compression method BZIP2 (bzip2 lib is required)
      Patch created by Daniel Borca

   Oct-2009 zip.c
    - Remove old C style function prototypes
    - Added Zip64 Support when creating new file archives
    - Did some code cleanup and refactoring to get better overview of some functions.
    - Added zipRemoveExtraInfoBlock to strip extra field data from its ZIP64 data
      It is used when recreting zip archive with RAW when deleting items from a zip.
      ZIP64 data is automaticly added to items that needs it, and existing ZIP64
      data need to be removed.
    - Added support for BZIP2 as compression mode (bzip2 lib is required)
   
   Oct-2009 ioapi.x
    - Defined ZPOS64_T to fpos_t on windows and u_int64_t on linux. 
    - Change to fseeko64, ftello64 and fopen64 so large files would work on linux.
      More if/def section may be needed to support other platforms
    - Defined fxxxx64 calls to normal fopen/ftell/fseek so they would compile on windows.
     (but you should use iowin32.c for windows instead)

Change in 1.01e (12 feb 05)
- Fix in zipOpen2 for globalcomment (Rolf Kalbermatter)
- Fix possible memory leak in unzip.c (Zoran Stevanovic)

Change in 1.01b (20 may 04)
- Integrate patch from Debian package (Mark Brown)
- Add tools mztools from Xavier Roche

Change in 1.01 (8 may 04)
- Fix buffer overrun risk in unzip.c (Xavier Roche)
- Fix a minor buffer insecurity in minizip.c (Mike Whittaker)

Change in 1.00: (10 sept 03)
- Rename to 1.00
- Cosmetic code change

Change in 0.22: (19 May 03)
- Crypting support (unless you define NOCRYPT)
- Append file in existing zipfile

Change in 0.21: (10 Mar 03)
- Bug fixes

Change in 0.17: (27 Jan 02)
- Bug fixes

Change in 0.16: (19 Jan 02)
- Support of ioapi for virtualize zip file access

Change in 0.15: (19 Mar 98)
- Fix memory leak in minizip.c

Change in 0.14: (10 Mar 98)
- Fix bugs in minizip.c sample for zipping big file
- Fix problem in month in date handling
- Fix bug in unzlocal_GetCurrentFileInfoInternal in unzip.c for comment handling

Change in 0.13: (6 Mar 98)
- Fix bugs in zip.c
- Add real minizip sample

Change in 0.12: (4 Mar 98)
- Add zip.c and zip.h for creates .zip file
- Fix change_file_date in miniunz.c for Unix (Jean-loup Gailly)
- Fix miniunz.c for file without specific record for directory

Change in 0.11: (3 Mar 98)
- Fix bug in unzGetCurrentFileInfo for get extra field and comment
- Enhance miniunz sample, remove the bad unztst.c sample

Change in 0.10: (2 Mar 98)
- Fix bug in unzReadCurrentFile
- Rename unzip* to unz* function and structure
- Remove Windows-like hungary notation variable name
- Modify some structure in unzip.h
- Add somes comment in source
- Remove unzipGetcCurrentFile function
- Replace ZUNZEXPORT by ZEXPORT
- Add unzGetLocalExtrafield for get the local extrafield info
- Add a new sample, miniunz.c

Change in 0.4: (25 Feb 98)
- Suppress the type unzipFileInZip.
  Only on file in the zipfile can be open at the same time
- Fix somes typo in code
- Added tm_unz structure in unzip_file_info (date/time in readable format)

Change unknown?
- Added unzGetOffset (RX '2004)
- Added unzGetFilePos & unzGoToFilePos (Ryan Haksi)
- Added unzGetCurrentFileZStreamPos64 (GDAL)

