format_money

format_money is a simple function that takes a string reference &str as a number, evaluates it and returns a String with money format $ #'###,###.##

Examples:

``` use formatmoney::formatmoney;

fn main() { println!("{}",format_money("0100010")); //it prints $ 100,010.00

assert_eq!(format_money("."), "$ 0.00");

assert_eq!(format_money("000.157"), "$ 0.15");

assert_eq!(format_money("103"), "$ 103.00");

assert_eq!(format_money("001000000334533461000813.5792"), "$ 1,000'000,334'533,461'000,813.57");

assert_eq!(format_money("0000.00"), "$ 0.00");

assert_eq!(format_money("00000010.00000"), "$ 10.00");

assert_eq!(format_money("0100.00000"), "$ 100.00");

assert_eq!(format_money("F1c0.0A000"), "$ 0.00");

}

```