Fixed link to Twitter development site and clarified that the API does not support CORS

Added Penguin Publishing API

fixes issue #671

fixes issue #664

* Adding SecurityTrails

The API offers 300 queries p.M. for free, which is enough for most smaller projects, they also offer the API for free for researchers etc.

* Update README.md

* Fixed alphabetical order and shortened description

* Jikan - Website + Description update

* Remove .net

WordNik apparently requires an API key: 
https://developer.wordnik.com/

Removed Wunderground from the list

Renamed FreeGeoIP to ipstack

Add Livecoin to README

Ergast F1 API now supports https

http://ergast.com/mrd/https-support/

Added Cloudmersive Image Recognition & Processing APIs in the Machine Learning section

Added WorldCoinIndex and FortniteTracker APIs

Add Dicebear Avatars

This avoids an IndexError if the length of split segments is shorter than expected.

Added the Enigma Public API

Add Feedster API

Add TheOldReader to the News section

I'm adding the Enigma Public API as its free, open plus it allows developers to build applications that integrate with a very broad collection of public data.

pdflayer now requires apikey

Add Open Movie Database API

Exchangeratesapi.io a free Fixer.io compatible API