Add Agify.io and Nationalize.io. Fix CORS for Genderize.io (#991)

* Fix CORS for Genderize.io

* Fix description for Genderize.io

* Add Agify.io

* Add Nationalize.io

README.md

@@ -228,6 +228,7 @@ API | Description | Auth | HTTPS | CORS |
 API | Description | Auth | HTTPS | CORS |
 |---|---|---|---|---|
 | [24 Pull Requests](https://24pullrequests.com/api) | Project to promote open source collaboration during December | No | Yes | Yes |
+| [Agify.io](https://agify.io) | Estimates the age from a first name | No | Yes | Yes |
 | [ApiFlash](https://apiflash.com/) | Chrome based screenshot API for developers | `apiKey` | Yes | Unknown |
 | [Apility.io](https://apility.io/apidocs/) | IP, Domains and Emails anti-abuse API blocklist | No | Yes | Yes |
 | [APIs.guru](https://apis.guru/api-doc/) | Wikipedia for Web APIs, OpenAPI/Swagger specs for public APIs | No | Yes | Unknown |
@@ -241,7 +242,7 @@ API | Description | Auth | HTTPS | CORS |
 | [DigitalOcean Status](https://status.digitalocean.com/api/v1) | Status of all DigitalOcean services | No | Yes | Unknown |
 | [DomainDb Info](https://domainsdb.info/apidomainsdb/index.php) | Domain name search to find all domains containing particular words/phrases/etc | No | Yes | Unknown |
 | [Faceplusplus](https://www.faceplusplus.com/) | A tool to detect face | `OAuth` | Yes | Unknown |
-| [Genderize.io](https://genderize.io) | Determines a gender from a first name | No | Yes | Unknown |
+| [Genderize.io](https://genderize.io) | Estimates a gender from a first name | No | Yes | Yes |
 | [GitHub](https://developer.github.com/v3/) | Make use of GitHub repositories, code and user info programmatically | `OAuth` | Yes | Yes |
 | [Gitlab](https://docs.gitlab.com/ee/api/) | Automate GitLab interaction programmatically | `OAuth` | Yes | Unknown |
 | [Gitter](https://github.com/gitterHQ/docs) | Chat for GitHub | `OAuth` | Yes | Unknown |
@@ -258,6 +259,7 @@ API | Description | Auth | HTTPS | CORS |
 | [LiveEdu](https://www.liveedu.tv/developer/applications/) | Live Coding Streaming | `OAuth` | Yes | Unknown |
 | [MAC address vendor lookup](https://macaddress.io) | Retrieve vendor details and other information regarding a given MAC address or an OUI | `apiKey` | Yes | Yes |
 | [Myjson](http://myjson.com/api) | A simple JSON store for your web or mobile app | No | No | Unknown |
+| [Nationalize.io](https://nationalize.io) | Estimate the nationality of a first name | No | Yes | Yes |
 | [OOPSpam](https://oopspam.com/) | Multiple spam filtering service | No | Yes | Yes |
 | [Plino](https://plino.herokuapp.com/) | Spam filtering system | No | Yes | Unknown |
 | [Postman](https://docs.api.getpostman.com/) | Tool for testing APIs | `apiKey` | Yes | Unknown |