arguments array ain;t work

[Atybot]

`function aq() {
return arguments[0];
}

console.log(aq(1));
`

[andrei-markeev]

Good point. It hasn't been implemented yet. And COVERAGE.md doesn't include it - it probably should.

[andrei-markeev]

I have now added arguments to COVERAGE.md, see 5f9ac0c. So now it is documented clearly that it isn't implemented.