3 - fix security exploit: http://www.sec-consult.com/216.html
7 - support for input and output charset encoding
8 based on the work in FoF, uses iconv or mbstring if available
13 - basic support for Atom syndication format
14 including support for Atom content constructs
15 - fixed support for private feeds (HTTP Auth and SSL)
16 (thanks to silverorange.com for providing test feeds)
17 - support for some broken webservers
21 - support GZIP content negoiation
26 - improved error handling, better access for script authors
27 - included example scripts of working with MagpieRSS
28 - new Smarty plugin for RSS date parsing
32 - added support for conditional gets (Last-Modified, ETag)
33 - now use Snoopy to handle fetching RSS files
38 - removed kludgy $options array in favour of constants
39 - phased out returning arrays
40 - added better error handling