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Update 7-Zip to version 9.22 (beta)

Note that the version numbering is inconsistent between the history and
readme files. The files were taken as-is from

http://sourceforge.net/projects/sevenzip/files/7-Zip/9.22/
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sschuberth committed Aug 3, 2012
1 parent ffb13af commit 344fcb731b4ab2497916d54789336b266ea3f8b2
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+7-Zip Extra history
+-------------------
+
+9.18 2010-11-02
+------------------------------
+ - New small SFX module for installers.
+
+
+9.17 2010-10-04
+------------------------------
+ - New 7-Zip plugin for FAR Manager x64.
+
+
+9.10 2009-12-30
+------------------------------
+ - 7-Zip for installers now supports LZMA2.
+
+
+9.09 2009-12-12
+------------------------------
+ - LZMA2 compression method support.
+ - Some bugs were fixed.
+
+
+4.65 2009-02-03
+------------------------------
+ - Some bugs were fixed.
+
+
+4.38 beta 2006-04-13
+------------------------------
+ - SFX for installers now supports new properties in config file:
+ Progress, Directory, ExecuteFile, ExecuteParameters.
+
+
+4.34 beta 2006-02-27
+------------------------------
+ - ISetProperties::SetProperties:
+ it's possible to specify desirable number of CPU threads:
+ PROPVARIANT: name=L"mt", vt = VT_UI4, ulVal = NumberOfThreads
+ If "mt" is not defined, 7za.dll will check number of processors in system to set
+ number of desirable threads.
+ Now 7za.dll can use:
+ 2 threads for LZMA compressing
+ N threads for BZip2 compressing
+ 4 threads for BZip2 decompressing
+ Other codecs use only one thread.
+ Note: 7za.dll can use additional "small" threads with low CPU load.
+ - It's possible to call ISetProperties::SetProperties to specify "mt" property for decoder.
+
+
+4.33 beta 2006-02-05
+------------------------------
+ - Compressing speed and Memory requirements were increased.
+ Default dictionary size was increased: Fastest: 64 KB, Fast: 1 MB,
+ Normal: 4 MB, Max: 16 MB, Ultra: 64 MB.
+ - 7z/LZMA now can use only these match finders: HC4, BT2, BT3, BT4
+
+
+4.27 2005-09-21
+------------------------------
+ - Some GUIDs/interfaces were changed.
+ IStream.h:
+ ISequentialInStream::Read now works as old ReadPart
+ ISequentialOutStream::Write now works as old WritePart
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sschuberth Aug 3, 2012

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sschuberth commented on 344fcb7 Aug 3, 2012

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