Date        Version  New features compared to previous version

2007-04-16  0.1      Bytecoder, bitcoder and 2^n semi-dynamic RC coder
                     Greedy parsing
                     Only 4+ byte matches
                     Hashtable matchfinders: simple and caching
                     Blockwise compression

2007-05-11  0.2      Huffman coder
                     Lazy parsing
                     3-byte matches
                     Dropping too far matches
                     Sliding window
                     Gzip-like cmdline interface

2007-07-25  0.25     Repdist, repboth and repchar codes
                     2-byte matches
                     Improved lz parsing
                     Delta filter

2008-03-13  0.3      Huffman decoder with variable block size
                     Tested on 100 gb of data and fixed all bugs found

2008-04-08  0.4      Cycling matchfinder
                     Large, updated at each step hashes for 2/3-byte strings
                     More interactive user interface

2008-06-02  0.4a     Fixed bug in Huffman coder: unstable sorting
                     Win32 & Linux versions