Wolfgang Schrimm <wschrimm@uni-hd.de> xport function
Travis Brown <tebrown@csh.rit.edu>
Peter Stamfest <peter@stamfest.at> initial multi-thread support
+ David L. Barker <dave@ncomtech.com> xport function bug fixes
+ Mike Slifcak <slif@bellsouth.net> many rrdtool-1.1.x fixes
Documentation