add 'search mode' for jieba.tokenize
add ChineseAnalyzer for whoosh search engine
add some comments
0.3 released
Update README.md
Update README.md
Update README.md
Separate cal and IO process.
Merge pull request #71 from chao787/feature_richard

Separate cal and IO process.
follow PEP8: change tab to 4 white spaces
merge chage from chao78787
made test_whoosh.py happy.
添加一个tmp目录，好让test_whoosh.py可以运行。
Merge pull request #72 from linkerlin/master

添加一个tmp目录，好让test_whoosh.py可以运行。
clean the files in tmp
add test/tmp/* into git ignore
update whoosh example
fix bug; decimals & digit-english mixed
Remove the unused imports.
Reindent function
* jieba/__init__.py (require_initialized):
Add re.U flag to re variable.