Log Message:
Changes 9.20:
* 7-Zip now supports LZMA2 compression method.
* 7-Zip now can update solid .7z archives.
* 7-Zip now supports XZ archives.
* 7-Zip now supports PPMd compression in ZIP archives.
* 7-Zip now can unpack NTFS, FAT, VHD, MBR, APM, SquashFS, CramFS, MSLZ
  archives.
* 7-Zip now can unpack GZip, BZip2, LZMA, XZ and TAR archives from stdin.
* 7-Zip now can unpack some TAR and ISO archives with incorrect headers.
* 7-Zip now supports files that are larger than 8 GB in TAR archives.
* NSIS and WIM support was improved.
* Partial parsing for EXE resources, SWF and FLV.
* The support for archives in installers was improved.
* 7-Zip now can stores NTFS file timestamps to ZIP archives.
* Speed optimizations in PPMd codec.
* Speed optimizations in CRC calculation code for Intel's Atom CPUs.
* New -scrc switch to calculate total CRC-32 during extracting / testing.
* 7-Zip File Manager now doesn't use temp files to open nested archives stored
  without compression.
* Disk fragmentation problem for ZIP archives created by 7-Zip was fixed.
* Some bugs were fixed.
* New localizations: Hindi, Gujarati, Sanskrit, Tatar, Uyghur, Kazakh.
* Not in p7zip : Speed optimizations in AES code for Intel's 32nm CPUs.