Bezier curves fixed: no more angles in the curve - everything is smooth and nice.
Rotated and reflected the knot to make it look more like default trefoil knot.
Added gaussian elimination solver.
moved to another package
removed non-used methods
Centered image.
Added knot selection.
Added ability to change curve.
Added spline. Does not work.
Spline WORKS! REALLY WORKS!
Prevented parameter going out of bounds.
Object parts that are between eye and screen are nod drawn.
Some fix.
Deleted dummy straight line.