📦 Make each component require same deps

Author: tyx

composer.json

@@ -21,8 +21,8 @@
     "minimum-stability": "dev",
     "require": {
         "php": "^7.1.3",
+        "php-http/httplug": "^1.1",
         "guzzlehttp/psr7": "^1.2",
-        "php-http/client-common": "^1.3",
         "tolerance/tolerance": "^0.4.2",
         "psr/log": "^1.0"
     },