Un-shorten urls found in given text,

Work as a standalone unshortener (reading from stdin, or its parameter) :

From argv :
$ wget -qO- --no-check-certificate \
'https://raw.github.com/JulienPalard/untinyurl/master/README' | untinyurl

From arguments :
$ untinyurl 'The repo is here: http://bit.ly/xMN7PY'

Or as a module:
$ python
Python 2.6.6 (r266:84292, Dec 26 2010, 22:31:48)
[GCC 4.4.5] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> from untinyurl import untiny
>>> untiny('http://bit.ly/xMN7PY')
'https://github.com/JulienPalard/untinyurl'
