Corrige dependencias

Author: lcobucci

composer.json

@@ -24,15 +24,15 @@
     "require": {
         "php": ">=5.6",
         "guzzlehttp/guzzle": "~6.2",
-        "doctrine/collections": "~1.3"
+        "doctrine/collections": "~1.3",
+        "jms/serializer":"~1.1"
     },
     "require-dev": {
         "phpunit/phpunit": "~5.5",
-        "squizlabs/php_codesniffer": "~2.7",
+        "squizlabs/php_codesniffer": "~3.0",
         "pdepend/pdepend": "~2.2",
         "phpmd/phpmd": "~2.4",
-        "sebastian/phpcpd": "~2.0",
-      "jms/serializer":"~1.1"
+        "sebastian/phpcpd": "~3.0"
     },
     "autoload": {
         "psr-4": {