diff --git a/composer.json b/composer.json
index 9e6f78d..bc0d433 100644
--- a/composer.json
+++ b/composer.json
@@ -32,7 +32,7 @@
     "phpmd/phpmd": "~2.3",
     "phpspec/phpspec": "~2.0",
     "phpunit/phpunit": "~4.4",
-    "squizlabs/php_codesniffer": "2.4.*"
+    "squizlabs/php_codesniffer": "2.4.* || 2.8.*"
   },
   "require": {
     "cpliakas/git-wrapper": "~1.4",
diff --git a/composer.lock b/composer.lock
index 96f05f8..13b2527 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1,11 +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": "74bb8092363afc6e1561415e101b7316",
-    "content-hash": "8cc8e2312f277b54e48fc068a1893a21",
+    "content-hash": "63ccb0c5f12a5828eefd126d5926a02c",
     "packages": [
         {
             "name": "cpliakas/git-wrapper",
@@ -60,7 +59,7 @@
             "keywords": [
                 "git"
             ],
-            "time": "2015-11-11 15:45:43"
+            "time": "2015-11-11T15:45:43+00:00"
         },
         {
             "name": "nikic/php-parser",
@@ -111,7 +110,7 @@
                 "parser",
                 "php"
             ],
-            "time": "2015-12-04 15:28:43"
+            "time": "2015-12-04T15:28:43+00:00"
         },
         {
             "name": "symfony/class-loader",
@@ -163,7 +162,7 @@
             ],
             "description": "Symfony ClassLoader Component",
             "homepage": "https://symfony.com",
-            "time": "2015-12-05 17:37:59"
+            "time": "2015-12-05T17:37:59+00:00"
         },
         {
             "name": "symfony/console",
@@ -223,7 +222,7 @@
             ],
             "description": "Symfony Console Component",
             "homepage": "https://symfony.com",
-            "time": "2015-12-22 10:25:57"
+            "time": "2015-12-22T10:25:57+00:00"
         },
         {
             "name": "symfony/event-dispatcher",
@@ -283,7 +282,7 @@
             ],
             "description": "Symfony EventDispatcher Component",
             "homepage": "https://symfony.com",
-            "time": "2015-10-30 23:35:59"
+            "time": "2015-10-30T23:35:59+00:00"
         },
         {
             "name": "symfony/finder",
@@ -332,7 +331,7 @@
             ],
             "description": "Symfony Finder Component",
             "homepage": "https://symfony.com",
-            "time": "2015-12-05 11:09:21"
+            "time": "2015-12-05T11:09:21+00:00"
         },
         {
             "name": "symfony/polyfill-mbstring",
@@ -391,7 +390,7 @@
                 "portable",
                 "shim"
             ],
-            "time": "2015-11-20 09:19:13"
+            "time": "2015-11-20T09:19:13+00:00"
         },
         {
             "name": "symfony/process",
@@ -440,7 +439,7 @@
             ],
             "description": "Symfony Process Component",
             "homepage": "https://symfony.com",
-            "time": "2015-12-23 11:04:02"
+            "time": "2015-12-23T11:04:02+00:00"
         }
     ],
     "packages-dev": [
@@ -496,7 +495,7 @@
                 "constructor",
                 "instantiate"
             ],
-            "time": "2015-06-14 21:17:01"
+            "time": "2015-06-14T21:17:01+00:00"
         },
         {
             "name": "pdepend/pdepend",
@@ -536,7 +535,7 @@
                 "BSD-3-Clause"
             ],
             "description": "Official version of pdepend to be handled with Composer",
-            "time": "2015-10-16 08:49:58"
+            "time": "2015-10-16T08:49:58+00:00"
         },
         {
             "name": "phpdocumentor/reflection-docblock",
@@ -585,7 +584,7 @@
                     "email": "mike.vanriel@naenius.com"
                 }
             ],
-            "time": "2015-02-03 12:10:50"
+            "time": "2015-02-03T12:10:50+00:00"
         },
         {
             "name": "phpmd/phpmd",
@@ -650,7 +649,7 @@
                 "phpmd",
                 "pmd"
             ],
-            "time": "2015-09-24 14:37:49"
+            "time": "2015-09-24T14:37:49+00:00"
         },
         {
             "name": "phpspec/php-diff",
@@ -684,7 +683,7 @@
                 }
             ],
             "description": "A comprehensive library for generating differences between two hashable objects (strings or arrays).",
-            "time": "2013-11-01 13:02:21"
+            "time": "2013-11-01T13:02:21+00:00"
         },
         {
             "name": "phpspec/phpspec",
@@ -762,7 +761,7 @@
                 "testing",
                 "tests"
             ],
-            "time": "2016-01-01 10:17:54"
+            "time": "2016-01-01T10:17:54+00:00"
         },
         {
             "name": "phpspec/prophecy",
@@ -822,7 +821,7 @@
                 "spy",
                 "stub"
             ],
-            "time": "2015-08-13 10:07:40"
+            "time": "2015-08-13T10:07:40+00:00"
         },
         {
             "name": "phpunit/php-code-coverage",
@@ -884,7 +883,7 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2015-10-06 15:47:00"
+            "time": "2015-10-06T15:47:00+00:00"
         },
         {
             "name": "phpunit/php-file-iterator",
@@ -931,7 +930,7 @@
                 "filesystem",
                 "iterator"
             ],
-            "time": "2015-06-21 13:08:43"
+            "time": "2015-06-21T13:08:43+00:00"
         },
         {
             "name": "phpunit/php-text-template",
@@ -972,7 +971,7 @@
             "keywords": [
                 "template"
             ],
-            "time": "2015-06-21 13:50:34"
+            "time": "2015-06-21T13:50:34+00:00"
         },
         {
             "name": "phpunit/php-timer",
@@ -1013,7 +1012,7 @@
             "keywords": [
                 "timer"
             ],
-            "time": "2015-06-21 08:01:12"
+            "time": "2015-06-21T08:01:12+00:00"
         },
         {
             "name": "phpunit/php-token-stream",
@@ -1062,7 +1061,7 @@
             "keywords": [
                 "tokenizer"
             ],
-            "time": "2015-09-15 10:49:45"
+            "time": "2015-09-15T10:49:45+00:00"
         },
         {
             "name": "phpunit/phpunit",
@@ -1134,7 +1133,7 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2015-12-12 07:45:58"
+            "time": "2015-12-12T07:45:58+00:00"
         },
         {
             "name": "phpunit/phpunit-mock-objects",
@@ -1190,7 +1189,7 @@
                 "mock",
                 "xunit"
             ],
-            "time": "2015-10-02 06:51:40"
+            "time": "2015-10-02T06:51:40+00:00"
         },
         {
             "name": "sebastian/comparator",
@@ -1254,7 +1253,7 @@
                 "compare",
                 "equality"
             ],
-            "time": "2015-07-26 15:48:44"
+            "time": "2015-07-26T15:48:44+00:00"
         },
         {
             "name": "sebastian/diff",
@@ -1306,7 +1305,7 @@
             "keywords": [
                 "diff"
             ],
-            "time": "2015-12-08 07:14:41"
+            "time": "2015-12-08T07:14:41+00:00"
         },
         {
             "name": "sebastian/environment",
@@ -1356,7 +1355,7 @@
                 "environment",
                 "hhvm"
             ],
-            "time": "2015-12-02 08:37:27"
+            "time": "2015-12-02T08:37:27+00:00"
         },
         {
             "name": "sebastian/exporter",
@@ -1422,7 +1421,7 @@
                 "export",
                 "exporter"
             ],
-            "time": "2015-06-21 07:55:53"
+            "time": "2015-06-21T07:55:53+00:00"
         },
         {
             "name": "sebastian/global-state",
@@ -1473,7 +1472,7 @@
             "keywords": [
                 "global state"
             ],
-            "time": "2015-10-12 03:26:01"
+            "time": "2015-10-12T03:26:01+00:00"
         },
         {
             "name": "sebastian/recursion-context",
@@ -1526,7 +1525,7 @@
             ],
             "description": "Provides functionality to recursively process PHP variables",
             "homepage": "http://www.github.com/sebastianbergmann/recursion-context",
-            "time": "2015-11-11 19:50:13"
+            "time": "2015-11-11T19:50:13+00:00"
         },
         {
             "name": "sebastian/version",
@@ -1561,27 +1560,31 @@
             ],
             "description": "Library that helps with managing the version number of Git-hosted PHP projects",
             "homepage": "https://github.com/sebastianbergmann/version",
-            "time": "2015-06-21 13:59:46"
+            "time": "2015-06-21T13:59:46+00:00"
         },
         {
             "name": "squizlabs/php_codesniffer",
-            "version": "2.4.0",
+            "version": "2.8.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/squizlabs/PHP_CodeSniffer.git",
-                "reference": "32a879f4f35019d78d568db2885d7779ca084a33"
+                "reference": "d7cf0d894e8aa4c73712ee4a331cc1eaa37cdc7d"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/squizlabs/PHP_CodeSniffer/zipball/32a879f4f35019d78d568db2885d7779ca084a33",
-                "reference": "32a879f4f35019d78d568db2885d7779ca084a33",
+                "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"
@@ -1589,7 +1592,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.0.x-dev"
+                    "dev-master": "2.x-dev"
                 }
             },
             "autoload": {
@@ -1635,7 +1638,12 @@
                 "phpcs",
                 "standards"
             ],
-            "time": "2015-11-23 21:30:59"
+            "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/config",
@@ -1685,7 +1693,7 @@
             ],
             "description": "Symfony Config Component",
             "homepage": "https://symfony.com",
-            "time": "2015-12-26 13:37:56"
+            "time": "2015-12-26T13:37:56+00:00"
         },
         {
             "name": "symfony/dependency-injection",
@@ -1747,7 +1755,7 @@
             ],
             "description": "Symfony DependencyInjection Component",
             "homepage": "https://symfony.com",
-            "time": "2015-12-26 13:37:56"
+            "time": "2015-12-26T13:37:56+00:00"
         },
         {
             "name": "symfony/filesystem",
@@ -1796,7 +1804,7 @@
             ],
             "description": "Symfony Filesystem Component",
             "homepage": "https://symfony.com",
-            "time": "2015-12-22 10:25:57"
+            "time": "2015-12-22T10:25:57+00:00"
         },
         {
             "name": "symfony/yaml",
@@ -1845,7 +1853,7 @@
             ],
             "description": "Symfony Yaml Component",
             "homepage": "https://symfony.com",
-            "time": "2015-12-26 13:39:53"
+            "time": "2015-12-26T13:39:53+00:00"
         }
     ],
     "aliases": [],
@@ -1854,5 +1862,6 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": [],
-    "platform-dev": []
+    "platform-dev": [],
+    "plugin-api-version": "2.2.0"
 }