This release fixes bugs found by SevenZipSharp users. Thank you, guys!
#3705 - multivolume archive was not created if only a single volume;
#3706(1/2) - ExtractFile() blocked the archive file after Extractor.Dispose();
#3706(2/2) - Lzh format incorrect signature recognition;
#3733 - multivolume Rar archives were not extacted (due to 4.56->9.04 Open callback change);
#3743 - Extractor did not dispose the archive stream after Check();
#3745 - incorrect Iso signature recognition;
#3719 - if PreserveDirectoryRoot == true, CompressDirectory() dropped the first letter of a directory name after a disk letter in case it was specified as the root.
Additionally, the library now has version 0.5.6.0 as a file version.