Updated dependencies

Author: castarco

composer.json

@@ -5,10 +5,10 @@
     "license": "MIT",
     "require": {
         "php": ">=5.5.9",
-        "composer/composer": "1.0.0-alpha11",
+        "composer/composer": "^1.0",
         "ext-zmq": "*",
         "monolog/monolog": "^1.9",
-        "psy/psysh": "0.7.*",
+        "psy/psysh": "^0.7",
         "ramsey/uuid": "^3.2",
         "react/zmq": "^0.3.0",
         "symfony/polyfill-php70": "^1.1"