Cubic beziers and smoother lines

Incorporate cubic beziers into the mix, and use Unity's DrawBezier
function to draw smoother lines in the inspector instead of a
culmination of straight ones.
Add BezierSpline script.
Forgot to save scene.
Add script to edit BezierSpline in editor.
Add spline GO to scene.
Add curves to spline, find which curve at certain point.
Draw directions cleanly across all curves
Save current spline in scene.