Basic Yelp client

This is a headless example of how to implement an OAuth 1.0a Yelp API client. The Yelp API provides an application token that allows applications to make unauthenticated requests to their search API.

Sample response

businesses =     (
                {
            categories =             (
                                (
                    Thai,
                    thai
                )
            );
            "display_phone" = "+1-415-931-6917";
            id = "lers-ros-thai-san-francisco";
            "image_url" = "http://s3-media2.ak.yelpcdn.com/bphoto/IStxUNVdfuPR2ddDAIPk_A/ms.jpg";
            "is_claimed" = 1;
            "is_closed" = 0;
            location =             {
                address =                 (
                    "730 Larkin St"
                );
                city = "San Francisco";
                "country_code" = US;
                "cross_streets" = "Olive St & Ellis St";
                "display_address" =                 (
                    "730 Larkin St",
                    "(b/t Olive St & Ellis St)",
                    Tenderloin,
                    "San Francisco, CA 94109"
                );
                neighborhoods =                 (
                    Tenderloin
                );
                "postal_code" = 94109;
                "state_code" = CA;
            };
            "menu_date_updated" = 1387658025;
            "menu_provider" = "single_platform";
            "mobile_url" = "http://m.yelp.com/biz/lers-ros-thai-san-francisco";
            name = "Lers Ros Thai";
            phone = 4159316917;
            rating = 4;
            "rating_img_url" = "http://s3-media4.ak.yelpcdn.com/assets/2/www/img/c2f3dd9799a5/ico/stars/v1/stars_4.png";
            "rating_img_url_large" = "http://s3-media2.ak.yelpcdn.com/assets/2/www/img/ccf2b76faa2c/ico/stars/v1/stars_large_4.png";
            "rating_img_url_small" = "http://s3-media4.ak.yelpcdn.com/assets/2/www/img/f62a5be2f902/ico/stars/v1/stars_small_4.png";
            "review_count" = 1154;
            "snippet_image_url" = "http://s3-media4.ak.yelpcdn.com/photo/D40HpcJt-O6Ll654S_--6w/ms.jpg";
            "snippet_text" = "Fantastic pad-see-ew. Super rich, flavorful sauce and plenty of ginormous prawns, especially for a $12 price tag in San Francisco. I went through a pretty...";
            url = "http://www.yelp.com/biz/lers-ros-thai-san-francisco";
        }
    );
    region =     {
        center =         {
            latitude = "37.7703124";
            longitude = "-122.43647245575";
        };
        span =         {
            "latitude_delta" = "0.06424638000000016";
            "longitude_delta" = "0.07145348265001417";
        };
    };
    total = 760;