airports

Crate to map airport IATA code to timezone

Example

``` use airports::Airports;

fn main() { let db = Airports::new(); println!("lhr: {:?}", db.gettzname("lhr")); println!("LHR: {:?}", db.gettzname("LHR")); println!("SOMETHING: {:?}", db.gettzname("SOMETHING")); } ```

Prints out lhr: Some("Europe/London") LHR: Some("Europe/London") SOMETHING: None