Another small bug fixed in Smoothed Spline.
bug in smoothedSpline fixed Natural Catmull Rom interpolation improved.
Catmull Rom interpolation with natural point distribution added.
some notes added.
New gradients added
Sector color generator added.
Bug in CatmullRomInterpolation fixed. Filleting improved.
New color and diameter gradients added.
update of catmull-rom interpolation.
update of catmull-rom interpolation - hard interpolation is now supported.
