Function clamper

clamper(min?: number, max?: number): (v: number) => number
Returns a function that clamps values.
```
const c = clamper(0,100);
c(50);   // 50
c(101); // 100
c(-5);  // 0
```
Parameters
- min: number = 0
  Minimum value. Default: 0
- max: number = 1
  Maximum value. Default: 1
Returns (v: number) => number