bumped adapter versions

Author: Nyholm

composer.json

@@ -32,8 +32,8 @@
         "php-http/curl-client": "^1.0",
         "php-http/socket-client": "^1.0",
         "php-http/guzzle6-adapter": "^1.1",
-        "php-http/react-adapter": "^0.1",
-        "php-http/buzz-adapter": "^0.1",
+        "php-http/react-adapter": "^0.2",
+        "php-http/buzz-adapter": "^0.2",
         "php-http/message": "^1.0",
         "symfony/symfony": "^2.7|^3.0",
         "polishsymfonycommunity/symfony-mocker-container": "^1.0",