diff --git a/composer.json b/composer.json
index e27a7ee27..0dc1b843f 100644
--- a/composer.json
+++ b/composer.json
@@ -11,7 +11,7 @@
     ],
     "require": {
         "php": ">=5.4",
-        "nikic/PHP-Parser": ">=2.1.0"
+        "nikic/PHP-Parser": ">=3.0.1"
     },
     "bin": ["bin/psalm"],
     "autoload": {
diff --git a/composer.lock b/composer.lock
index 6a75251af..ad6af6329 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,29 +4,29 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "hash": "3003c79e53ae37f13749e36f931545cf",
-    "content-hash": "5bc9e69fad8d315ab087bf6ac1436c98",
+    "hash": "11185347fdd531bde1c24e39f464eb07",
+    "content-hash": "e3e0805ce7298d9ae85de110ad3b0ae0",
     "packages": [
         {
             "name": "nikic/php-parser",
-            "version": "v2.1.0",
+            "version": "v3.0.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/nikic/PHP-Parser.git",
-                "reference": "47b254ea51f1d6d5dc04b9b299e88346bf2369e3"
+                "reference": "aa6aec90e11a7a4e7d44129c7cb5422ffd15939e"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/nikic/PHP-Parser/zipball/47b254ea51f1d6d5dc04b9b299e88346bf2369e3",
-                "reference": "47b254ea51f1d6d5dc04b9b299e88346bf2369e3",
+                "url": "https://api.github.com/repos/nikic/PHP-Parser/zipball/aa6aec90e11a7a4e7d44129c7cb5422ffd15939e",
+                "reference": "aa6aec90e11a7a4e7d44129c7cb5422ffd15939e",
                 "shasum": ""
             },
             "require": {
                 "ext-tokenizer": "*",
-                "php": ">=5.4"
+                "php": ">=5.5"
             },
             "require-dev": {
-                "phpunit/phpunit": "~4.0"
+                "phpunit/phpunit": "~4.0|~5.0"
             },
             "bin": [
                 "bin/php-parse"
@@ -34,7 +34,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.1-dev"
+                    "dev-master": "3.0-dev"
                 }
             },
             "autoload": {
@@ -56,7 +56,7 @@
                 "parser",
                 "php"
             ],
-            "time": "2016-04-19 13:41:41"
+            "time": "2016-12-01 12:37:30"
         }
     ],
     "packages-dev": [
@@ -116,16 +116,16 @@
         },
         {
             "name": "myclabs/deep-copy",
-            "version": "1.5.4",
+            "version": "1.5.5",
             "source": {
                 "type": "git",
                 "url": "https://github.com/myclabs/DeepCopy.git",
-                "reference": "ea74994a3dc7f8d2f65a06009348f2d63c81e61f"
+                "reference": "399c1f9781e222f6eb6cc238796f5200d1b7f108"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/myclabs/DeepCopy/zipball/ea74994a3dc7f8d2f65a06009348f2d63c81e61f",
-                "reference": "ea74994a3dc7f8d2f65a06009348f2d63c81e61f",
+                "url": "https://api.github.com/repos/myclabs/DeepCopy/zipball/399c1f9781e222f6eb6cc238796f5200d1b7f108",
+                "reference": "399c1f9781e222f6eb6cc238796f5200d1b7f108",
                 "shasum": ""
             },
             "require": {
@@ -154,7 +154,7 @@
                 "object",
                 "object graph"
             ],
-            "time": "2016-09-16 13:37:59"
+            "time": "2016-10-31 17:19:45"
         },
         {
             "name": "phpdocumentor/reflection-common",
@@ -257,16 +257,16 @@
         },
         {
             "name": "phpdocumentor/type-resolver",
-            "version": "0.2",
+            "version": "0.2.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpDocumentor/TypeResolver.git",
-                "reference": "b39c7a5b194f9ed7bd0dd345c751007a41862443"
+                "reference": "e224fb2ea2fba6d3ad6fdaef91cd09a172155ccb"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpDocumentor/TypeResolver/zipball/b39c7a5b194f9ed7bd0dd345c751007a41862443",
-                "reference": "b39c7a5b194f9ed7bd0dd345c751007a41862443",
+                "url": "https://api.github.com/repos/phpDocumentor/TypeResolver/zipball/e224fb2ea2fba6d3ad6fdaef91cd09a172155ccb",
+                "reference": "e224fb2ea2fba6d3ad6fdaef91cd09a172155ccb",
                 "shasum": ""
             },
             "require": {
@@ -300,20 +300,20 @@
                     "email": "me@mikevanriel.com"
                 }
             ],
-            "time": "2016-06-10 07:14:17"
+            "time": "2016-11-25 06:54:22"
         },
         {
             "name": "phpspec/prophecy",
-            "version": "v1.6.1",
+            "version": "v1.6.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpspec/prophecy.git",
-                "reference": "58a8137754bc24b25740d4281399a4a3596058e0"
+                "reference": "6c52c2722f8460122f96f86346600e1077ce22cb"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpspec/prophecy/zipball/58a8137754bc24b25740d4281399a4a3596058e0",
-                "reference": "58a8137754bc24b25740d4281399a4a3596058e0",
+                "url": "https://api.github.com/repos/phpspec/prophecy/zipball/6c52c2722f8460122f96f86346600e1077ce22cb",
+                "reference": "6c52c2722f8460122f96f86346600e1077ce22cb",
                 "shasum": ""
             },
             "require": {
@@ -321,10 +321,11 @@
                 "php": "^5.3|^7.0",
                 "phpdocumentor/reflection-docblock": "^2.0|^3.0.2",
                 "sebastian/comparator": "^1.1",
-                "sebastian/recursion-context": "^1.0"
+                "sebastian/recursion-context": "^1.0|^2.0"
             },
             "require-dev": {
-                "phpspec/phpspec": "^2.0"
+                "phpspec/phpspec": "^2.0",
+                "phpunit/phpunit": "^4.8 || ^5.6.5"
             },
             "type": "library",
             "extra": {
@@ -362,20 +363,20 @@
                 "spy",
                 "stub"
             ],
-            "time": "2016-06-07 08:13:47"
+            "time": "2016-11-21 14:58:47"
         },
         {
             "name": "phpunit/php-code-coverage",
-            "version": "4.0.1",
+            "version": "4.0.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/php-code-coverage.git",
-                "reference": "5f3f7e736d6319d5f1fc402aff8b026da26709a3"
+                "reference": "903fd6318d0a90b4770a009ff73e4a4e9c437929"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/php-code-coverage/zipball/5f3f7e736d6319d5f1fc402aff8b026da26709a3",
-                "reference": "5f3f7e736d6319d5f1fc402aff8b026da26709a3",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-code-coverage/zipball/903fd6318d0a90b4770a009ff73e4a4e9c437929",
+                "reference": "903fd6318d0a90b4770a009ff73e4a4e9c437929",
                 "shasum": ""
             },
             "require": {
@@ -425,20 +426,20 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2016-07-26 14:39:29"
+            "time": "2016-11-28 16:00:31"
         },
         {
             "name": "phpunit/php-file-iterator",
-            "version": "1.4.1",
+            "version": "1.4.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/php-file-iterator.git",
-                "reference": "6150bf2c35d3fc379e50c7602b75caceaa39dbf0"
+                "reference": "3cc8f69b3028d0f96a9078e6295d86e9bf019be5"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/php-file-iterator/zipball/6150bf2c35d3fc379e50c7602b75caceaa39dbf0",
-                "reference": "6150bf2c35d3fc379e50c7602b75caceaa39dbf0",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-file-iterator/zipball/3cc8f69b3028d0f96a9078e6295d86e9bf019be5",
+                "reference": "3cc8f69b3028d0f96a9078e6295d86e9bf019be5",
                 "shasum": ""
             },
             "require": {
@@ -472,7 +473,7 @@
                 "filesystem",
                 "iterator"
             ],
-            "time": "2015-06-21 13:08:43"
+            "time": "2016-10-03 07:40:28"
         },
         {
             "name": "phpunit/php-text-template",
@@ -561,16 +562,16 @@
         },
         {
             "name": "phpunit/php-token-stream",
-            "version": "1.4.8",
+            "version": "1.4.9",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/php-token-stream.git",
-                "reference": "3144ae21711fb6cac0b1ab4cbe63b75ce3d4e8da"
+                "reference": "3b402f65a4cc90abf6e1104e388b896ce209631b"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/php-token-stream/zipball/3144ae21711fb6cac0b1ab4cbe63b75ce3d4e8da",
-                "reference": "3144ae21711fb6cac0b1ab4cbe63b75ce3d4e8da",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-token-stream/zipball/3b402f65a4cc90abf6e1104e388b896ce209631b",
+                "reference": "3b402f65a4cc90abf6e1104e388b896ce209631b",
                 "shasum": ""
             },
             "require": {
@@ -606,7 +607,7 @@
             "keywords": [
                 "tokenizer"
             ],
-            "time": "2015-09-15 10:49:45"
+            "time": "2016-11-15 14:06:22"
         },
         {
             "name": "phpunit/phpunit",
@@ -692,23 +693,23 @@
         },
         {
             "name": "phpunit/phpunit-mock-objects",
-            "version": "3.4.0",
+            "version": "3.4.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit-mock-objects.git",
-                "reference": "238d7a2723bce689c79eeac9c7d5e1d623bb9dc2"
+                "reference": "90a08f5deed5f7ac35463c161f2e8fa0e5652faf"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit-mock-objects/zipball/238d7a2723bce689c79eeac9c7d5e1d623bb9dc2",
-                "reference": "238d7a2723bce689c79eeac9c7d5e1d623bb9dc2",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit-mock-objects/zipball/90a08f5deed5f7ac35463c161f2e8fa0e5652faf",
+                "reference": "90a08f5deed5f7ac35463c161f2e8fa0e5652faf",
                 "shasum": ""
             },
             "require": {
                 "doctrine/instantiator": "^1.0.2",
                 "php": "^5.6 || ^7.0",
                 "phpunit/php-text-template": "^1.2",
-                "sebastian/exporter": "^1.2"
+                "sebastian/exporter": "^1.2 || ^2.0"
             },
             "conflict": {
                 "phpunit/phpunit": "<5.4.0"
@@ -747,7 +748,7 @@
                 "mock",
                 "xunit"
             ],
-            "time": "2016-10-09 07:01:45"
+            "time": "2016-11-27 07:52:03"
         },
         {
             "name": "sebastian/code-unit-reverse-lookup",
@@ -796,22 +797,22 @@
         },
         {
             "name": "sebastian/comparator",
-            "version": "1.2.0",
+            "version": "1.2.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/comparator.git",
-                "reference": "937efb279bd37a375bcadf584dec0726f84dbf22"
+                "reference": "6a1ed12e8b2409076ab22e3897126211ff8b1f7f"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/comparator/zipball/937efb279bd37a375bcadf584dec0726f84dbf22",
-                "reference": "937efb279bd37a375bcadf584dec0726f84dbf22",
+                "url": "https://api.github.com/repos/sebastianbergmann/comparator/zipball/6a1ed12e8b2409076ab22e3897126211ff8b1f7f",
+                "reference": "6a1ed12e8b2409076ab22e3897126211ff8b1f7f",
                 "shasum": ""
             },
             "require": {
                 "php": ">=5.3.3",
                 "sebastian/diff": "~1.2",
-                "sebastian/exporter": "~1.2"
+                "sebastian/exporter": "~1.2 || ~2.0"
             },
             "require-dev": {
                 "phpunit/phpunit": "~4.4"
@@ -856,7 +857,7 @@
                 "compare",
                 "equality"
             ],
-            "time": "2015-07-26 15:48:44"
+            "time": "2016-11-19 09:18:40"
         },
         {
             "name": "sebastian/diff",
@@ -912,28 +913,28 @@
         },
         {
             "name": "sebastian/environment",
-            "version": "1.3.8",
+            "version": "2.0.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/environment.git",
-                "reference": "be2c607e43ce4c89ecd60e75c6a85c126e754aea"
+                "reference": "5795ffe5dc5b02460c3e34222fee8cbe245d8fac"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/environment/zipball/be2c607e43ce4c89ecd60e75c6a85c126e754aea",
-                "reference": "be2c607e43ce4c89ecd60e75c6a85c126e754aea",
+                "url": "https://api.github.com/repos/sebastianbergmann/environment/zipball/5795ffe5dc5b02460c3e34222fee8cbe245d8fac",
+                "reference": "5795ffe5dc5b02460c3e34222fee8cbe245d8fac",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.3.3 || ^7.0"
+                "php": "^5.6 || ^7.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "^4.8 || ^5.0"
+                "phpunit/phpunit": "^5.0"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.3.x-dev"
+                    "dev-master": "2.0.x-dev"
                 }
             },
             "autoload": {
@@ -958,7 +959,7 @@
                 "environment",
                 "hhvm"
             ],
-            "time": "2016-08-18 05:49:44"
+            "time": "2016-11-26 07:53:53"
         },
         {
             "name": "sebastian/exporter",
@@ -1221,16 +1222,16 @@
         },
         {
             "name": "sebastian/version",
-            "version": "2.0.0",
+            "version": "2.0.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/version.git",
-                "reference": "c829badbd8fdf16a0bad8aa7fa7971c029f1b9c5"
+                "reference": "99732be0ddb3361e16ad77b68ba41efc8e979019"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/version/zipball/c829badbd8fdf16a0bad8aa7fa7971c029f1b9c5",
-                "reference": "c829badbd8fdf16a0bad8aa7fa7971c029f1b9c5",
+                "url": "https://api.github.com/repos/sebastianbergmann/version/zipball/99732be0ddb3361e16ad77b68ba41efc8e979019",
+                "reference": "99732be0ddb3361e16ad77b68ba41efc8e979019",
                 "shasum": ""
             },
             "require": {
@@ -1260,29 +1261,35 @@
             ],
             "description": "Library that helps with managing the version number of Git-hosted PHP projects",
             "homepage": "https://github.com/sebastianbergmann/version",
-            "time": "2016-02-04 12:56:52"
+            "time": "2016-10-03 07:35:21"
         },
         {
             "name": "symfony/yaml",
-            "version": "v3.1.5",
+            "version": "v3.2.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/yaml.git",
-                "reference": "368b9738d4033c8b93454cb0dbd45d305135a6d3"
+                "reference": "f2300ba8fbb002c028710b92e1906e7457410693"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/yaml/zipball/368b9738d4033c8b93454cb0dbd45d305135a6d3",
-                "reference": "368b9738d4033c8b93454cb0dbd45d305135a6d3",
+                "url": "https://api.github.com/repos/symfony/yaml/zipball/f2300ba8fbb002c028710b92e1906e7457410693",
+                "reference": "f2300ba8fbb002c028710b92e1906e7457410693",
                 "shasum": ""
             },
             "require": {
                 "php": ">=5.5.9"
             },
+            "require-dev": {
+                "symfony/console": "~2.8|~3.0"
+            },
+            "suggest": {
+                "symfony/console": "For validating YAML files using the lint command"
+            },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.1-dev"
+                    "dev-master": "3.2-dev"
                 }
             },
             "autoload": {
@@ -1309,24 +1316,24 @@
             ],
             "description": "Symfony Yaml Component",
             "homepage": "https://symfony.com",
-            "time": "2016-09-25 08:27:07"
+            "time": "2016-11-18 21:17:59"
         },
         {
             "name": "webmozart/assert",
-            "version": "1.1.0",
+            "version": "1.2.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/webmozart/assert.git",
-                "reference": "bb2d123231c095735130cc8f6d31385a44c7b308"
+                "reference": "2db61e59ff05fe5126d152bd0655c9ea113e550f"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/webmozart/assert/zipball/bb2d123231c095735130cc8f6d31385a44c7b308",
-                "reference": "bb2d123231c095735130cc8f6d31385a44c7b308",
+                "url": "https://api.github.com/repos/webmozart/assert/zipball/2db61e59ff05fe5126d152bd0655c9ea113e550f",
+                "reference": "2db61e59ff05fe5126d152bd0655c9ea113e550f",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.3.3|^7.0"
+                "php": "^5.3.3 || ^7.0"
             },
             "require-dev": {
                 "phpunit/phpunit": "^4.6",
@@ -1335,7 +1342,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.2-dev"
+                    "dev-master": "1.3-dev"
                 }
             },
             "autoload": {
@@ -1359,7 +1366,7 @@
                 "check",
                 "validate"
             ],
-            "time": "2016-08-09 15:02:57"
+            "time": "2016-11-23 20:04:58"
         }
     ],
     "aliases": [],