Wonderful-bing

- Support xfce, thanks jokeryu
- Escape special characters in the command, fix 10

- Refine test
- Use notify-send to show the notify
- Drop python2.6 support
- Add check whether the picture url is valid or not, 9
- Add more check(path not exist; not specified the path;
path not end with slash)

- Add version
- Try to use class to do it
- Fix the problem that failing to get story content, see 7

- Fix the problem that it didn't work with cron, see 3

- Fix the problem in icon's path, see 4
- Support Chinese and Englisth in notify's message, see 5

- Distribute to PyPI
- Use argument