Added Andrea.
<email>ruben.diasduarte@gmail.com</email>
<timezone>1</timezone>
</contributor>
+ <contributor>
+ <name>Andrea Mazzon</name>
+ <email>mazzon@math.lmu.de</email>
+ <timezone>1</timezone>
+ </contributor>
<contributor>
<name>Niklas Rodi</name>
<email>nrodi@web.de</email>
