Links for wesgi
wesgi-0.9.tar.gz
wesgi-0.8.tar.gz
wesgi-0.7.tar.gz
wesgi-0.5.tar.gz
https://github.com/jinty/wesgi
http://www.w3.org/TR/esi-lang
http://www.akamai.com/dl/technical_publications/esi_faq.pdf