Feature: fix Korean mojibake

It would be great if ftfy could fix cases like this:

``` python
>>> s = u'¼Ò¸®¿¤ - »ç¶ûÇÏ´Â ÀÚ¿©'
>>> print s.encode('latin1').decode('euc_kr')
소리엘 - 사랑하는 자여
```

but it doesn't:

``` python
>>> print ftfy.fix_text_segment(s)
1⁄4Ò ̧®¿¤ - »ç¶ûÇÏ ́Â ÀÚ¿©
```

Source: http://media.yohan.net/7.html
