Version 0.3:
Guillem Borrell i Nogueras <guillem@torroja.dmt.upm.es>
The development of this package was originally funded by Vulcano Sadeca S.A.

Version 0.4:
Adel Qalieh <adelq@sas.upenn.edu>

Version 0.5:
Felipe M. Vieira <fmv1992@gmail.com>