Fix Readme & requirements (#50)

Author: yoanm

.travis.yml

@@ -25,7 +25,7 @@ before_install:
   - phpenv config-rm xdebug.ini || true
 
 install:
-  - composer require symfony/http-foundation:$SYMFONY_VERSION symfony/http-kernel:$SYMFONY_VERSION symfony/config:$SYMFONY_VERSION symfony/dependency-injection:$SYMFONY_VERSION symfony/routing:$SYMFONY_VERSION
+  - composer require symfony/http-foundation:$SYMFONY_VERSION symfony/http-kernel:$SYMFONY_VERSION symfony/config:$SYMFONY_VERSION symfony/dependency-injection:$SYMFONY_VERSION symfony/event-dispatcher:$SYMFONY_VERSION symfony/routing:$SYMFONY_VERSION
   - make build
 script:
   - make test-technical

README.md

@@ -3,7 +3,7 @@
 
 [![Scrutinizer Build Status](https://img.shields.io/scrutinizer/build/g/yoanm/symfony-jsonrpc-http-server.svg?label=Scrutinizer&logo=scrutinizer)](https://scrutinizer-ci.com/g/yoanm/symfony-jsonrpc-http-server/build-status/master) [![Scrutinizer Code Quality](https://img.shields.io/scrutinizer/g/yoanm/symfony-jsonrpc-http-server/master.svg?logo=scrutinizer)](https://scrutinizer-ci.com/g/yoanm/symfony-jsonrpc-http-server/?branch=master) [![Code Coverage](https://img.shields.io/scrutinizer/coverage/g/yoanm/symfony-jsonrpc-http-server/master.svg?logo=scrutinizer)](https://scrutinizer-ci.com/g/yoanm/symfony-jsonrpc-http-server/?branch=master)
 
-[![Travis Build Status](https://img.shields.io/travis/com/yoanm/php-jsonrpc-params-symfony-validator-sdk/master.svg?label=Travis&logo=travis)](https://travis-ci.com/yoanm/php-jsonrpc-params-symfony-validator-sdk) <!-- NOT WORKING WITH travis-ci.com [![Travis PHP versions](https://img.shields.io/travis/php-v/yoanm/php-jsonrpc-params-symfony-validator-sdk.svg?logo=travis)](https://php.net/) --> [![Travis Symfony Versions](https://img.shields.io/badge/Symfony-v4%20%2F%20v5-8892BF.svg?logo=travis)](https://php.net/)
+[![Travis Build Status](https://img.shields.io/travis/com/yoanm/symfony-jsonrpc-http-server/master.svg?label=Travis&logo=travis)](https://travis-ci.com/yoanm/symfony-jsonrpc-http-server) [![Travis PHP versions](https://img.shields.io/travis/php-v/yoanm/symfony-jsonrpc-http-server.svg?logo=travis)](https://php.net/) [![Travis Symfony Versions](https://img.shields.io/badge/Symfony-v4%20%2F%20v5-8892BF.svg?logo=travis)](https://php.net/)
 
 [![Latest Stable Version](https://img.shields.io/packagist/v/yoanm/symfony-jsonrpc-http-server.svg)](https://packagist.org/packages/yoanm/symfony-jsonrpc-http-server) [![Packagist PHP version](https://img.shields.io/packagist/php-v/yoanm/symfony-jsonrpc-http-server.svg)](https://packagist.org/packages/yoanm/symfony-jsonrpc-http-server)
 

composer.json

@@ -36,7 +36,8 @@
     "symfony/http-foundation": "^4.0 || ^5.0",
     "symfony/http-kernel": "^4.0 || ^5.0",
     "symfony/config": "^4.0 || ^5.0",
-    "symfony/dependency-injection": "^4.0 || ^5.0"
+    "symfony/dependency-injection": "^4.0 || ^5.0",
+    "symfony/event-dispatcher": "^4.0 || ^5.0"
   },
   "require-dev": {
     "behat/behat": "~3.0",
@@ -45,7 +46,6 @@
     "matthiasnoback/symfony-dependency-injection-test": "^3.0 || ^4.0",
     "matthiasnoback/symfony-config-test": "^3.0 || ^4.0",
     "symfony/framework-bundle": "^4.0 || ^5.0",
-    "symfony/http-kernel": "^4.0 || ^5.0",
     "symfony/routing": "^4.0 || ^5.0",
     "yoanm/php-unit-extended": "~1.0"
   }