Add link to php-ml

Enable Var.CI

Change link to Functional Programming in PHP book site

Add BowerPHP a PHP implementation of Bower

Remove Slim Middleware, 3 years old

* Add tooly composer script

With the tooly composer-script aka hook you can manage needed PHAR files, such as phpunit, in your project composer.json. 
Every PHAR file will be saved in the composer binary directory. Optional with GPG verification.

* Fix url's to prevent redirection

Fix two url's to prevent redirection and fix Travis CI build.

* Change order

PHP-Mock is a library to mock built-in PHP functions (e.g. time()).

See also: https://github.com/php-mock/php-mock

Add link for BowerPHP A package manager for the web.  A PHP implementation of Bower

Add CircleCI

* Update README URLs based on HTTP redirects

* [ci] white list symfony

* Add Chonons DateTime library.

* Fix typo.

[Code Analysis] Added phan

Library officially abandoned - they recommend moneyphp/money

> This project has been abandoned. It was only ever intended to be used as an example for PHPUnit features etc. and not for usage in production. I am sorry that I failed to make that clear. Please have a look at moneyphp/money instead.

* Old PHPSandbox link was deprecated

* Updated links that were being redirected

iceframework is now https
Robo is now under a new repository owner

Added a new middleware framework

[phan](https://github.com/etsy/phan) - A static analyzer based on PHP 7+ and the php-ast extension.

Added Knapsack, a collection library inspired by Clojure's sequences. Its collections are immutable and lazy where possible. All operations are available as pure functions and as collection pipeline object's methods.

[miscellaneous] ARCANEDEV/noCAPTCHA

[noCAPTCHA](https://github.com/ARCANEDEV/noCAPTCHA) - Helper for Google's noCAPTCHA (reCAPTCHA).

* Update README.md

* Update README.md