Release 0.37.6 (2024-06-19)

Huge Spline Change

Generic Spline trait
- Spline<T>: desired output type is T
Split PolynomialSpline from Spline
- CubicSpline & CubicHermiteSpline are now PolynomialSpline
- Implement Spline<f64> for PolynomialSpline
Implement B-Spline
- BSpline { degree: usize, knots: Vec<f64>, control_points: Vec<Vec<f64>> }
- BSpline::open(degree, knots, control_points) : Open B-Spline
- BSpline::clamped(degree, knots, control_points) : Clamped B-Spline
Implement Spline<(f64, f64)> for BSpline

Full Changelog: v0.37.5...v0.37.6