let mut interval = match args.next() {
            Some(arg) => {
                let i: String = arg.parse().unwrap();
                match i.as_ref() {
                    "s" | "sec" | "seconds" => {interval = "seconds"},
                    "m" | "min" | "minutes" => {interval = "minutes"},
                    _ => return Err("Unsupported interval amount"),
                }
            },
            None => return Err("Didn't get an interval amount"),
        };