diff --git a/composer.lock b/composer.lock
index c35fca2..8aa7bd6 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1,10 +1,10 @@
 {
     "_readme": [
         "This file locks the dependencies of your project to a known state",
-        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "hash": "9c80a5a833ed10a61efd5bfcda61a4de",
+    "content-hash": "f9596d66138b1aaf89cc94aada43e5dd",
     "packages": [],
     "packages-dev": [
         {
@@ -59,7 +59,7 @@
                 "constructor",
                 "instantiate"
             ],
-            "time": "2014-10-13 12:58:55"
+            "time": "2014-10-13T12:58:55+00:00"
         },
         {
             "name": "phpdocumentor/reflection-docblock",
@@ -108,7 +108,7 @@
                     "email": "mike.vanriel@naenius.com"
                 }
             ],
-            "time": "2015-02-03 12:10:50"
+            "time": "2015-02-03T12:10:50+00:00"
         },
         {
             "name": "phpspec/prophecy",
@@ -168,7 +168,7 @@
                 "spy",
                 "stub"
             ],
-            "time": "2015-04-27 22:15:08"
+            "time": "2015-04-27T22:15:08+00:00"
         },
         {
             "name": "phpunit/php-code-coverage",
@@ -230,7 +230,7 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2015-06-01 07:35:26"
+            "time": "2015-06-01T07:35:26+00:00"
         },
         {
             "name": "phpunit/php-file-iterator",
@@ -277,7 +277,7 @@
                 "filesystem",
                 "iterator"
             ],
-            "time": "2015-04-02 05:19:05"
+            "time": "2015-04-02T05:19:05+00:00"
         },
         {
             "name": "phpunit/php-text-template",
@@ -321,7 +321,7 @@
             "keywords": [
                 "template"
             ],
-            "time": "2014-01-30 17:20:04"
+            "time": "2014-01-30T17:20:04+00:00"
         },
         {
             "name": "phpunit/php-timer",
@@ -365,7 +365,7 @@
             "keywords": [
                 "timer"
             ],
-            "time": "2013-08-02 07:42:54"
+            "time": "2013-08-02T07:42:54+00:00"
         },
         {
             "name": "phpunit/php-token-stream",
@@ -414,7 +414,7 @@
             "keywords": [
                 "tokenizer"
             ],
-            "time": "2015-04-08 04:46:07"
+            "time": "2015-04-08T04:46:07+00:00"
         },
         {
             "name": "phpunit/phpunit",
@@ -486,7 +486,7 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2015-05-29 06:00:03"
+            "time": "2015-05-29T06:00:03+00:00"
         },
         {
             "name": "phpunit/phpunit-mock-objects",
@@ -541,7 +541,7 @@
                 "mock",
                 "xunit"
             ],
-            "time": "2015-05-29 05:19:18"
+            "time": "2015-05-29T05:19:18+00:00"
         },
         {
             "name": "sebastian/comparator",
@@ -605,7 +605,7 @@
                 "compare",
                 "equality"
             ],
-            "time": "2015-01-29 16:28:08"
+            "time": "2015-01-29T16:28:08+00:00"
         },
         {
             "name": "sebastian/diff",
@@ -657,7 +657,7 @@
             "keywords": [
                 "diff"
             ],
-            "time": "2015-02-22 15:13:53"
+            "time": "2015-02-22T15:13:53+00:00"
         },
         {
             "name": "sebastian/environment",
@@ -707,7 +707,7 @@
                 "environment",
                 "hhvm"
             ],
-            "time": "2015-01-01 10:01:08"
+            "time": "2015-01-01T10:01:08+00:00"
         },
         {
             "name": "sebastian/exporter",
@@ -773,7 +773,7 @@
                 "export",
                 "exporter"
             ],
-            "time": "2015-01-27 07:23:06"
+            "time": "2015-01-27T07:23:06+00:00"
         },
         {
             "name": "sebastian/global-state",
@@ -824,7 +824,7 @@
             "keywords": [
                 "global state"
             ],
-            "time": "2014-10-06 09:23:50"
+            "time": "2014-10-06T09:23:50+00:00"
         },
         {
             "name": "sebastian/recursion-context",
@@ -877,7 +877,7 @@
             ],
             "description": "Provides functionality to recursively process PHP variables",
             "homepage": "http://www.github.com/sebastianbergmann/recursion-context",
-            "time": "2015-01-24 09:48:32"
+            "time": "2015-01-24T09:48:32+00:00"
         },
         {
             "name": "sebastian/version",
@@ -912,27 +912,31 @@
             ],
             "description": "Library that helps with managing the version number of Git-hosted PHP projects",
             "homepage": "https://github.com/sebastianbergmann/version",
-            "time": "2015-02-24 06:35:25"
+            "time": "2015-02-24T06:35:25+00:00"
         },
         {
             "name": "squizlabs/php_codesniffer",
-            "version": "2.3.2",
+            "version": "2.8.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/squizlabs/PHP_CodeSniffer.git",
-                "reference": "e96d8579fbed0c95ecf2a0501ec4f307a4aa6404"
+                "reference": "d7cf0d894e8aa4c73712ee4a331cc1eaa37cdc7d"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/squizlabs/PHP_CodeSniffer/zipball/e96d8579fbed0c95ecf2a0501ec4f307a4aa6404",
-                "reference": "e96d8579fbed0c95ecf2a0501ec4f307a4aa6404",
+                "url": "https://api.github.com/repos/squizlabs/PHP_CodeSniffer/zipball/d7cf0d894e8aa4c73712ee4a331cc1eaa37cdc7d",
+                "reference": "d7cf0d894e8aa4c73712ee4a331cc1eaa37cdc7d",
                 "shasum": ""
             },
             "require": {
+                "ext-simplexml": "*",
                 "ext-tokenizer": "*",
                 "ext-xmlwriter": "*",
                 "php": ">=5.1.2"
             },
+            "require-dev": {
+                "phpunit/phpunit": "~4.0"
+            },
             "bin": [
                 "scripts/phpcs",
                 "scripts/phpcbf"
@@ -940,7 +944,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.0.x-dev"
+                    "dev-master": "2.x-dev"
                 }
             },
             "autoload": {
@@ -986,7 +990,12 @@
                 "phpcs",
                 "standards"
             ],
-            "time": "2015-04-28 23:28:20"
+            "support": {
+                "issues": "https://github.com/squizlabs/PHP_CodeSniffer/issues",
+                "source": "https://github.com/squizlabs/PHP_CodeSniffer",
+                "wiki": "https://github.com/squizlabs/PHP_CodeSniffer/wiki"
+            },
+            "time": "2017-03-01T22:17:45+00:00"
         },
         {
             "name": "symfony/yaml",
@@ -1035,7 +1044,7 @@
             ],
             "description": "Symfony Yaml Component",
             "homepage": "https://symfony.com",
-            "time": "2015-05-02 15:21:08"
+            "time": "2015-05-02T15:21:08+00:00"
         }
     ],
     "aliases": [],
@@ -1046,5 +1055,6 @@
     "platform": {
         "php": ">=5.4"
     },
-    "platform-dev": []
+    "platform-dev": [],
+    "plugin-api-version": "2.2.0"
 }