Ann: Zip-Ada v.45

Ann: Zip-Ada v.45

[gautier_niouzes]

Hello,
There is a new version of Zip-Ada @ unzip-ada.sf.net .

Latest changes (-!- marks an improvement which brings an incompatibility)
=========================================================================

* Changes in '45'
  - Decryption's password check also working for archives encrypted
      by Info-Zip software.
  - Massive speedup when checking files that are invalid Zip archives
      or Zip archives with large comments.
  - Added Is_Open method for File_Zipstream.
  - Zip.Load closes properly the file when loading fails.
  - Improved detection of invalid dates in some Zip archives
      (e.g. wmpChrome.crx Chrome extension).
  - UnZip.Decompress: Optimized calls of feedback: called only when
      1% more done.
  -!- Removed case_sensitive as a parameter in Zip.Exists, Zip.Find_Offset,
      Zip.Get_Sizes, and UnZip.Streams.Open, versions with Zip_Info profiles.
      The Zip_info objects now keep this information in a field after Load.
      Rationale: case-sensitivity mode for search makes only sense when it
      matches the mode used for building the dictionary.
  - Added User_code to Zip_info entries. Can be set with the Set_user_code
      and User_code subprograms, or via the Action procedure for the generic
      Traverse_Verbose procedure.
  -!- Improved (if not completed) Unicode support (UTF-8); clearer
      informations about encoding.

Enjoy!
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