Improve cURL & API Calls.md

    use phpFastCache\CacheManager;

    $cache = CacheManager::Memcached();

    // try to get from Cache first.
    $resultsItem = $cache->getItem("identity_keyword")

    if(!$resultsItem->isHit()) {
        $resultsItem->set($cURL->get("http://www.youtube.com/api/json/url/keyword/page"))->expireAfter(3600*24);
        $cache->save($resultsItem);
    }

    $results = $resultsItem->get();

    foreach($results as $video) {
        // Output Your Contents HERE
    }

Get real content from ResultsItem.