tag version 0.27; parallel mode

tag version 0.26; keep punctuation

tag version 0.25; traditiona Chinese

tag version 0.24; fix multiplication overflow; change to use sum of Log

tag version 0.23; support ENG-CHN mix words

tag version 0.22; new API: jieba.cut_for_search

tag version 0.21; load_userdict accept file-like object

tag version 0.20; support POS tagging

tag version 0.19; support user defined dictionary

tag version 0.18; support keywords extraction