0.07 - Tue Oct 19 2010
	- added QR code support

0.06 - Thu Oct 14 2010
	- shorten() returns undef on fail

0.05 - Thu Mar 19 2010
    - lengthen() now returns valid UTF-8 string
    - fixed documentation error
    - minor code fixes

0.04 - Fri Sep 25 2009
    - added incremental links support

0.03 - Thu Aug 27 2009
    - added lengthen() function

0.02 - Mon Aug 24 2009
    - fixed bug in WWW::Shorten compatibility tests

0.01 - Sun Aug 23 2009
    - first release