v4.0.0

Changelog: v3.2.1...v4.0.0

• Restructured package;

• Most functions now return mappers that can be composed:

import * as a from 'algomatic';

a.seq(30).map(a.compose(d.gauss(), a.clamp()));

• Added gauss, cdfGauss, and cdfGaussInv functions.