Misc functions.

fn readall DEPRECATED

fn readall*(path: str): str {

Use std.freadall instaed.

fn stepify

fn stepify*(val, step: th::fu): th::fu {

Snaps a value to step.

fn maxf

fn maxf*(a, b: th::fu): th::fu {

fn minf

fn minf*(a, b: th::fu): th::fu {