I would like to thank the following people for their help:

Richard Moore <rich@kde.org> - for filling the Math object with some life
Daegeun Lee <realking@mizi.com> - for pointing out some bugs and providing
                                  much code for the String and Date object.
Marco Pinelli <pinmc@libero.it> - for his patches
Christian Kirsch <ck@held.mind.de> - for his contribution to the Date object