Squashed commit of the following:
Squashed commit of the following:

commit 1c57eacb27dc48b2b0278c034baddeb25fe6ad34
Author: Pablo Alejandro Costesich <rhfixer@gmail.com>
Date:   Fri Sep 18 18:35:43 2015 -0300

    Add method to make Makefile make

commit a8ef5eedbbcca549085ac57d6a83c82bf102de14
Author: Pablo Alejandro Costesich <rhfixer@gmail.com>
Date:   Fri Sep 18 18:30:51 2015 -0300

    fix type errors

pcostesi/tp1-so-2015b