geohashing 0.1.0

A geohashing implementation
Documentation 
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extern crate geohashing;
use geohashing::*;
extern crate chrono;
use chrono::NaiveDate;

#[test]
fn check_w30() {
	assert_eq!(get_geohash(NaiveDate::from_ymd(2008, 5, 26), (68.0, -30.0)).unwrap(), (68.6731281043187, -30.607308006770367));
	assert_eq!(get_geohash(NaiveDate::from_ymd(2008, 5, 26), (68.0, -29.0)).unwrap(), (68.6731281043187, -29.607308006770367));
	assert_eq!(get_geohash(NaiveDate::from_ymd(2008, 5, 27), (68.0, -30.0)).unwrap(), (68.20967755786283, -30.10144168461238));
	assert_eq!(get_geohash(NaiveDate::from_ymd(2008, 5, 27), (68.0, -29.0)).unwrap(), (68.12536718896776, -29.57711091539716));

	assert_eq!(get_globalhash(NaiveDate::from_ymd(2008, 5, 26)).unwrap(), (31.163058777367056, 38.63088243733188));
	assert_eq!(get_globalhash(NaiveDate::from_ymd(2008, 5, 27)).unwrap(), (-67.43390598580484, 27.75992954297726));
}

#[test]
fn scientific_notation_bug() {
	assert_eq!(get_geohash(NaiveDate::from_ymd(2012, 2, 26), (68.0, -29.0)).unwrap(), (68.00004663046163, -29.483718661102913));
}