Fixed an error.
Fixed bugs for homogoneous coordinates.
Removed extra constructor.
Revert "Fixed bugs for homogoneous coordinates."

This reverts commit a891846cace9115e1ed877a9cbbcc8ec791f30a9.
Added git ignore.
	deleted:    bin/la
Revert "Added support for homogeneous coordinates."

This reverts commit 5ec188298cc71aa260cda3810a29deb0cdc42ae8.

Conflicts:
	bin/la
	inc/graphics_vector.h
	obj/main.o
Fixed bug in point-wise mult.