currency-layer-rs is a client for CurrencyLayer's free APIs

Example Usage

Live Rates

```rust extern crate currency_layer

use currency_layer::Client

fn main(){
    let client = Client::new("YOU_API_KEY");
    let res = client.get_live_rates(
        // Base currency that results are relative to
        "CAD", 
        // Currencies to get rates for
        vec!["GBP", "USD"]
    );
    println!("{}", res.quotes.get("GBP").unwrap());
    println!("{}", res.quotes.get("USD").unwrap());
}

```

Historical Rates

```rust extern crate currency_layer

use currency_layer::Client

fn main(){
    let client = Client::new("YOU_API_KEY");
    let res = client.get_historical_rates(
        // Base currency that results are relative to
        "CAD", 
        // Currencies to get rates for
        vec!["GBP", "USD"],
        // Date as a tuple 3 in the format YYYY, MM, DD
        (2015, 2, 23)
    );

    println!("{}", res.quotes.get("GBP").unwrap());
    println!("{}", res.quotes.get("USD").unwrap());
}

```