Changes to be committed:
	modified:   Makefile
	modified:   bin/demo
	modified:   bin/slsprototest
	modified:   demosrc/main.c
	modified:   slsengine.sublime-workspace
	new file:   src/gl/shaderutils.c
	new file:   src/gl/shaderutils.h
	new file:   src/gl/sls-gl.h
	new file:   src/gl/sls-mesh.c
	new file:   src/gl/sls-mesh.h
	new file:   src/gl/sls-shader.c
	new file:   src/gl/sls-shader.h
	modified:   src/graphics/sls-content.c
	modified:   src/graphics/sls-content.h
	modified:   src/graphics/sls-sprite.c
	deleted:    src/setup.h~
	modified:   src/slsengine.h
	modified:   src/stdhdr.h
	modified:   src/window/sls-glwindow.c
	modified:   src/window/sls-glwindow.h
	modified:   src/window/sls-window.c
	new file:   tests/content-test.c
	new file:   tests/content-test.h
	modified:   tests/main.c
	modified:   tests/math-tests.h
	deleted:    tests/window-test.c
	deleted:    tests/window-test.h