Links for openpack

openpack-0.4.1.zip
openpack-1.0.zip
openpack-1.1.1.zip
openpack-1.1.2.zip
openpack-1.1.zip
http://bitbucket.org/yougov/openpack/raw/36514c7ce217/LICENSE
http://bitbucket.org/yougov/openpack/src/tip/CHANGES
http://en.wikipedia.org/wiki/Office_Open_XML