Distant function loader for NodeJS

Example:
```
const pdzDF = require('@pdz/df');

pdzDF('https://example_url_to_function_content').then(func => func.call({ test: true }, 1, 2, 3)).catch(console.error);

// Example function content (from https://example_url_to_function_content):
// console.log(this, Array.from(arguments));

// Example result:
// { test: true } [ 1, 2, 3 ]
```