<?php
// Create New User
$new_user = new User();
$new_user->of(false);
$new_user->name = "USER_NAME";
$new_user->email = "USER_EMAIL";
$new_user->pass = "USER_PASSWORD";
$new_user->addRole("USER_ROLE");
$new_user->save();
$new_user->of(true);

// Edit user
$user->of(false);
$user->set('name', 'USER_NAME');
$user->set('email', 'USER_EMAIL');
$user->save();
$user->of(true);

// Edit user 2
$user->of(false);
$user->name = "NAME";
$user->email = "EMAIL";
$user->save();

// Reset Admin Password
$u = $users->get('admin'); // or whatever your username is
$u->of(false);
$u->pass = 'your-new-password';
$u->save();