Mario de Sousa <msousa@fe.up.pt> [Thu, 10 Jan 2013 10:49:50 +0000] rev 796
merge
Mario de Sousa <msousa@fe.up.pt> [Thu, 03 Jan 2013 18:27:06 +0000] rev 795
merge
Mario de Sousa <msousa@fe.up.pt> [Thu, 03 Jan 2013 18:26:32 +0000] rev 794
Fix divide by 0 bug.