chore: Upgrade to react/http.

Since the react/http-client library is now deprecated we need to move forward with the ecosystem. We also use the new Psr7 factories from the nyholm/psr7 package.

Author: shulard

.gitignore

@@ -4,3 +4,4 @@
 /phpspec.yml
 /phpunit.xml
 /vendor/
+.phpunit.result.cache

composer.json

@@ -7,23 +7,20 @@
     "authors": [
         {
             "name": "Stéphane HULARD",
-            "email": "s.hulard@gmail.com"
+            "email": "s.hulard@chstudio.fr"
         }
     ],
     "require": {
         "php": "^7.1",
         "php-http/httplug": "^2.0",
-        "react/http-client": "~0.5.9",
-        "react/dns": "^1.0|^0.4.15",
-        "react/socket": "^1.0",
-        "react/stream": "^1.0",
+        "react/http": "^1.0",
         "react/event-loop": "^1.0",
         "php-http/discovery": "^1.0"
     },
     "require-dev": {
-        "php-http/client-integration-tests": "^2.0",
+        "php-http/client-integration-tests": "^3.0",
         "php-http/message": "^1.0",
-        "phpunit/phpunit": "^4.8.36 || ^5.4"
+        "nyholm/psr7": "^1.3"
     },
     "provide": {
         "php-http/client-implementation": "1.0",