Merge pull request #13 from karptonite/update_deps

Update httplug and php-http/client-common dependencies

Author: jasonbosco

composer.json

@@ -34,9 +34,9 @@
     "ext-json": "*",
     "monolog/monolog": "^1.0|^2.1",
     "nyholm/psr7": "^1.3",
-    "php-http/client-common": "^1.0",
+    "php-http/client-common": "^1.0|^2.3",
     "php-http/discovery": "^1.0",
-    "php-http/httplug": "^1.0",
+    "php-http/httplug": "^1.0|^2.2",
     "php-http/message-factory": "^1.0",
     "psr/http-client-implementation": "^1.0",
     "psr/http-message": "^1.0"