diff --git a/VERSION.md b/VERSION.md
index 88541566..21574090 100644
--- a/VERSION.md
+++ b/VERSION.md
@@ -1 +1 @@
-0.21.0
+0.22.0
diff --git a/composer.lock b/composer.lock
index 5475238b..550dfd88 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"
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-    "hash": "c36664adbc6a11c510a1a2ca21370a2a",
-    "content-hash": "dff41335ce906ddb872e66114ace5e50",
+    "content-hash": "6c8facd9ea26fd63006a35d445fac984",
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@@ -64,7 +63,7 @@
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+            "time": "2016-10-30T11:50:56+00:00"
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@@ -117,7 +116,7 @@
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-            "time": "2017-02-15 17:31:26"
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@@ -311,7 +310,7 @@
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-            "time": "2018-02-26 23:29:41"
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@@ -344,7 +343,7 @@
                 "MIT"
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-            "time": "2018-02-18 13:56:56"
+            "time": "2018-02-18T13:56:56+00:00"
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@@ -400,7 +399,7 @@
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@@ -520,7 +519,7 @@
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@@ -574,7 +573,7 @@
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-            "time": "2015-06-14 21:17:01"
+            "time": "2015-06-14T21:17:01+00:00"
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@@ -629,7 +628,7 @@
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@@ -691,7 +690,7 @@
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-            "time": "2017-02-28 22:50:30"
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@@ -742,7 +741,7 @@
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+            "time": "2016-12-20T10:07:11+00:00"
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@@ -807,7 +806,7 @@
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-            "time": "2017-03-20 17:10:46"
+            "time": "2017-03-20T17:10:46+00:00"
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@@ -854,7 +853,7 @@
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-            "time": "2015-12-15 10:42:16"
+            "time": "2015-12-15T10:42:16+00:00"
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@@ -899,7 +898,7 @@
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-            "time": "2015-10-15 09:42:44"
+            "time": "2015-10-15T09:42:44+00:00"
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@@ -977,7 +976,7 @@
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-            "time": "2017-03-13 07:08:03"
+            "time": "2017-03-13T07:08:03+00:00"
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@@ -1022,7 +1021,7 @@
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-            "time": "2017-10-19 19:58:43"
+            "time": "2017-10-19T19:58:43+00:00"
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             "name": "nikic/php-parser",
@@ -1073,7 +1072,7 @@
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-            "time": "2018-02-28 20:30:58"
+            "time": "2018-02-28T20:30:58+00:00"
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@@ -1157,7 +1156,7 @@
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-            "time": "2017-03-31 16:57:39"
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@@ -1205,7 +1204,7 @@
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@@ -1255,7 +1254,7 @@
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@@ -1295,7 +1294,7 @@
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@@ -1344,7 +1343,7 @@
                     "email": "mike.vanriel@naenius.com"
                 }
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+            "time": "2016-01-25T08:17:30+00:00"
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@@ -1393,7 +1392,7 @@
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-            "time": "2017-11-18 17:35:43"
+            "time": "2017-11-18T17:35:43+00:00"
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@@ -1459,27 +1458,27 @@
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-            "time": "2017-01-20 14:41:10"
+            "time": "2017-01-20T14:41:10+00:00"
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                 "url": "https://github.com/phpspec/prophecy.git",
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-                "reference": "dfd6be44111a7c41c2e884a336cc4f461b3b2401",
+                "url": "https://api.github.com/repos/phpspec/prophecy/zipball/33a7e3c4fda54e912ff6338c48823bd5c0f0b712",
+                "reference": "33a7e3c4fda54e912ff6338c48823bd5c0f0b712",
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                 "phpdocumentor/reflection-docblock": "^2.0|^3.0.2|^4.0",
-                "sebastian/comparator": "^1.1|^2.0",
+                "sebastian/comparator": "^1.1|^2.0|^3.0",
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@@ -1522,7 +1521,7 @@
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                 "stub"
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-            "time": "2018-02-19 10:16:54"
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@@ -1585,7 +1584,7 @@
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+            "time": "2017-04-02T07:44:40+00:00"
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@@ -1632,7 +1631,7 @@
                 "filesystem",
                 "iterator"
             ],
-            "time": "2017-11-27 13:52:08"
+            "time": "2017-11-27T13:52:08+00:00"
         },
         {
             "name": "phpunit/php-text-template",
@@ -1673,7 +1672,7 @@
             "keywords": [
                 "template"
             ],
-            "time": "2015-06-21 13:50:34"
+            "time": "2015-06-21T13:50:34+00:00"
         },
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             "name": "phpunit/php-timer",
@@ -1722,7 +1721,7 @@
             "keywords": [
                 "timer"
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-            "time": "2017-02-26 11:10:40"
+            "time": "2017-02-26T11:10:40+00:00"
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             "name": "phpunit/php-token-stream",
@@ -1771,7 +1770,7 @@
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                 "tokenizer"
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-            "time": "2017-12-04 08:55:13"
+            "time": "2017-12-04T08:55:13+00:00"
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@@ -1853,7 +1852,7 @@
                 "testing",
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-            "time": "2018-02-01 05:50:59"
+            "time": "2018-02-01T05:50:59+00:00"
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             "name": "phpunit/phpunit-mock-objects",
@@ -1912,7 +1911,7 @@
                 "mock",
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@@ -1958,7 +1957,7 @@
                 "container",
                 "dependency injection"
             ],
-            "time": "2015-09-11 15:10:35"
+            "time": "2015-09-11T15:10:35+00:00"
         },
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             "name": "psr/cache",
@@ -2004,7 +2003,7 @@
                 "psr",
                 "psr-6"
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-            "time": "2016-08-06 20:24:11"
+            "time": "2016-08-06T20:24:11+00:00"
         },
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             "name": "psr/container",
@@ -2053,7 +2052,7 @@
                 "container-interop",
                 "psr"
             ],
-            "time": "2017-02-14 16:28:37"
+            "time": "2017-02-14T16:28:37+00:00"
         },
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             "name": "psr/http-message",
@@ -2103,7 +2102,7 @@
                 "request",
                 "response"
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-            "time": "2016-08-06 14:39:51"
+            "time": "2016-08-06T14:39:51+00:00"
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@@ -2150,7 +2149,7 @@
                 "psr",
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-            "time": "2016-10-10 12:19:37"
+            "time": "2016-10-10T12:19:37+00:00"
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@@ -2198,7 +2197,7 @@
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-            "time": "2017-10-23 01:57:42"
+            "time": "2017-10-23T01:57:42+00:00"
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             "name": "robmorgan/phinx",
@@ -2264,7 +2263,7 @@
                 "migrations",
                 "phinx"
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-            "time": "2017-06-05 13:30:19"
+            "time": "2017-06-05T13:30:19+00:00"
         },
         {
             "name": "sebastian/code-unit-reverse-lookup",
@@ -2309,7 +2308,7 @@
             ],
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             "homepage": "https://github.com/sebastianbergmann/code-unit-reverse-lookup/",
-            "time": "2017-03-04 06:30:41"
+            "time": "2017-03-04T06:30:41+00:00"
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             "name": "sebastian/comparator",
@@ -2373,7 +2372,7 @@
                 "compare",
                 "equality"
             ],
-            "time": "2017-01-29 09:50:25"
+            "time": "2017-01-29T09:50:25+00:00"
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             "name": "sebastian/diff",
@@ -2425,7 +2424,7 @@
             "keywords": [
                 "diff"
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-            "time": "2017-05-22 07:24:03"
+            "time": "2017-05-22T07:24:03+00:00"
         },
         {
             "name": "sebastian/environment",
@@ -2475,7 +2474,7 @@
                 "environment",
                 "hhvm"
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-            "time": "2016-11-26 07:53:53"
+            "time": "2016-11-26T07:53:53+00:00"
         },
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             "name": "sebastian/exporter",
@@ -2542,7 +2541,7 @@
                 "export",
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-            "time": "2016-11-19 08:54:04"
+            "time": "2016-11-19T08:54:04+00:00"
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             "name": "sebastian/finder-facade",
@@ -2581,7 +2580,7 @@
             ],
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             "homepage": "https://github.com/sebastianbergmann/finder-facade",
-            "time": "2017-11-18 17:31:49"
+            "time": "2017-11-18T17:31:49+00:00"
         },
         {
             "name": "sebastian/global-state",
@@ -2632,7 +2631,7 @@
             "keywords": [
                 "global state"
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-            "time": "2015-10-12 03:26:01"
+            "time": "2015-10-12T03:26:01+00:00"
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         {
             "name": "sebastian/object-enumerator",
@@ -2678,7 +2677,7 @@
             ],
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             "homepage": "https://github.com/sebastianbergmann/object-enumerator/",
-            "time": "2017-02-18 15:18:39"
+            "time": "2017-02-18T15:18:39+00:00"
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@@ -2729,7 +2728,7 @@
             ],
             "description": "Copy/Paste Detector (CPD) for PHP code.",
             "homepage": "https://github.com/sebastianbergmann/phpcpd",
-            "time": "2016-04-17 19:32:49"
+            "time": "2016-04-17T19:32:49+00:00"
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         {
             "name": "sebastian/recursion-context",
@@ -2782,7 +2781,7 @@
             ],
             "description": "Provides functionality to recursively process PHP variables",
             "homepage": "http://www.github.com/sebastianbergmann/recursion-context",
-            "time": "2016-11-19 07:33:16"
+            "time": "2016-11-19T07:33:16+00:00"
         },
         {
             "name": "sebastian/resource-operations",
@@ -2824,7 +2823,7 @@
             ],
             "description": "Provides a list of PHP built-in functions that operate on resources",
             "homepage": "https://www.github.com/sebastianbergmann/resource-operations",
-            "time": "2015-07-28 20:34:47"
+            "time": "2015-07-28T20:34:47+00:00"
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         {
             "name": "sebastian/version",
@@ -2867,7 +2866,7 @@
             ],
             "description": "Library that helps with managing the version number of Git-hosted PHP projects",
             "homepage": "https://github.com/sebastianbergmann/version",
-            "time": "2016-10-03 07:35:21"
+            "time": "2016-10-03T07:35:21+00:00"
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         {
             "name": "sensiolabs/ansi-to-html",
@@ -2911,7 +2910,7 @@
                 }
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             "description": "A library to convert a text with ANSI codes to HTML",
-            "time": "2017-05-02 00:53:29"
+            "time": "2017-05-02T00:53:29+00:00"
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         {
             "name": "sensiolabs/security-checker",
@@ -2956,7 +2955,7 @@
                 }
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             "description": "A security checker for your composer.lock",
-            "time": "2017-07-24 11:42:56"
+            "time": "2017-07-24T11:42:56+00:00"
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         {
             "name": "squizlabs/php_codesniffer",
@@ -3034,7 +3033,7 @@
                 "phpcs",
                 "standards"
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-            "time": "2017-03-01 22:17:45"
+            "time": "2017-03-01T22:17:45+00:00"
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             "name": "swiftmailer/swiftmailer",
@@ -3088,11 +3087,11 @@
                 "mail",
                 "mailer"
             ],
-            "time": "2018-01-23 07:37:21"
+            "time": "2018-01-23T07:37:21+00:00"
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             "name": "symfony/browser-kit",
-            "version": "v3.4.7",
+            "version": "v3.4.9",
             "source": {
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                 "url": "https://github.com/symfony/browser-kit.git",
@@ -3145,20 +3144,20 @@
             ],
             "description": "Symfony BrowserKit Component",
             "homepage": "https://symfony.com",
-            "time": "2018-03-19 22:32:39"
+            "time": "2018-03-19T22:32:39+00:00"
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-            "version": "v3.4.7",
+            "version": "v3.4.9",
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-                "reference": "13255ddd056e49f3154747943f8ee175d555d394"
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@@ -3215,11 +3214,11 @@
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-            "time": "2018-04-02 14:35:16"
+            "time": "2018-04-27T05:49:57+00:00"
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-            "version": "v3.4.7",
+            "version": "v3.4.9",
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                 "url": "https://github.com/symfony/config.git",
@@ -3278,20 +3277,20 @@
             ],
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             "homepage": "https://symfony.com",
-            "time": "2018-03-19 22:32:39"
+            "time": "2018-03-19T22:32:39+00:00"
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+            "version": "v3.4.9",
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-                "reference": "d4bb70fa24d540c309d88a9d6e43fb2d339b1fbf"
+                "reference": "5b1fdfa8eb93464bcc36c34da39cedffef822cdf"
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-                "reference": "d4bb70fa24d540c309d88a9d6e43fb2d339b1fbf",
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@@ -3312,7 +3311,7 @@
                 "symfony/process": "~3.3|~4.0"
             },
             "suggest": {
-                "psr/log": "For using the console logger",
+                "psr/log-implementation": "For using the console logger",
                 "symfony/event-dispatcher": "",
                 "symfony/lock": "",
                 "symfony/process": ""
@@ -3347,11 +3346,11 @@
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             "description": "Symfony Console Component",
             "homepage": "https://symfony.com",
-            "time": "2018-04-03 05:22:50"
+            "time": "2018-04-30T01:22:56+00:00"
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-            "version": "v3.4.7",
+            "version": "v3.4.9",
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@@ -3400,20 +3399,20 @@
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-            "time": "2018-03-19 22:32:39"
+            "time": "2018-03-19T22:32:39+00:00"
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+            "version": "v3.4.9",
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