Add unit tests #2

Add unit tests for class Kanwa.
Type `python setup.py test` to run unit tests.
Merge pull request #2 from 403JFW/test/2

Unit test の追加
Add .travis.yml #3
Add python 3.2, 3.3 and pypy to .travis.yml #3
Remove python 3.2 from .travis.yml #3
Add travis badge to README.md #3
Merge pull request #3 from 403JFW/test/3

Travis CI の導入
Little fix
Update setup.py for version 0.1.1 #8
Merge pull request #8 from 403JFW/release/8

Version 0.1.1 リリース
Merge pull request #9 from 403JFW/develop

Develop