Merge pull request #1 from igorceridorio/master

Comented lines to redo the data strucutres that will store the object, a...
Merge pull request #2 from igorceridorio/master

Testing merging after sending pull request
Rewrite Bresenham's algorithm. Now it can draw vertical lines, witch was not able before. Altough, point (0,0) is still located at top left of the matrix, all implementations consider the origin there, except our teacher, i think he is nuts anyway...