diff --git a/vendor-bin/csfixer/composer.lock b/vendor-bin/csfixer/composer.lock
index fe1d67e..f522cb4 100644
--- a/vendor-bin/csfixer/composer.lock
+++ b/vendor-bin/csfixer/composer.lock
@@ -114,30 +114,30 @@
         },
         {
             "name": "doctrine/annotations",
-            "version": "v1.4.0",
+            "version": "v1.6.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/doctrine/annotations.git",
-                "reference": "54cacc9b81758b14e3ce750f205a393d52339e97"
+                "reference": "c7f2050c68a9ab0bdb0f98567ec08d80ea7d24d5"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/doctrine/annotations/zipball/54cacc9b81758b14e3ce750f205a393d52339e97",
-                "reference": "54cacc9b81758b14e3ce750f205a393d52339e97",
+                "url": "https://api.github.com/repos/doctrine/annotations/zipball/c7f2050c68a9ab0bdb0f98567ec08d80ea7d24d5",
+                "reference": "c7f2050c68a9ab0bdb0f98567ec08d80ea7d24d5",
                 "shasum": ""
             },
             "require": {
                 "doctrine/lexer": "1.*",
-                "php": "^5.6 || ^7.0"
+                "php": "^7.1"
             },
             "require-dev": {
                 "doctrine/cache": "1.*",
-                "phpunit/phpunit": "^5.7"
+                "phpunit/phpunit": "^6.4"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.4.x-dev"
+                    "dev-master": "1.6.x-dev"
                 }
             },
             "autoload": {
@@ -178,7 +178,7 @@
                 "docblock",
                 "parser"
             ],
-            "time": "2017-02-24T16:22:25+00:00"
+            "time": "2017-12-06T07:11:42+00:00"
         },
         {
             "name": "doctrine/lexer",
@@ -475,21 +475,21 @@
         },
         {
             "name": "symfony/console",
-            "version": "v3.4.21",
+            "version": "v4.2.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/console.git",
-                "reference": "a700b874d3692bc8342199adfb6d3b99f62cc61a"
+                "reference": "b0a03c1bb0fcbe288629956cf2f1dd3f1dc97522"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/console/zipball/a700b874d3692bc8342199adfb6d3b99f62cc61a",
-                "reference": "a700b874d3692bc8342199adfb6d3b99f62cc61a",
+                "url": "https://api.github.com/repos/symfony/console/zipball/b0a03c1bb0fcbe288629956cf2f1dd3f1dc97522",
+                "reference": "b0a03c1bb0fcbe288629956cf2f1dd3f1dc97522",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.5.9|>=7.0.8",
-                "symfony/debug": "~2.8|~3.0|~4.0",
+                "php": "^7.1.3",
+                "symfony/contracts": "^1.0",
                 "symfony/polyfill-mbstring": "~1.0"
             },
             "conflict": {
@@ -498,11 +498,11 @@
             },
             "require-dev": {
                 "psr/log": "~1.0",
-                "symfony/config": "~3.3|~4.0",
+                "symfony/config": "~3.4|~4.0",
                 "symfony/dependency-injection": "~3.4|~4.0",
-                "symfony/event-dispatcher": "~2.8|~3.0|~4.0",
+                "symfony/event-dispatcher": "~3.4|~4.0",
                 "symfony/lock": "~3.4|~4.0",
-                "symfony/process": "~3.3|~4.0"
+                "symfony/process": "~3.4|~4.0"
             },
             "suggest": {
                 "psr/log-implementation": "For using the console logger",
@@ -513,7 +513,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.4-dev"
+                    "dev-master": "4.2-dev"
                 }
             },
             "autoload": {
@@ -540,44 +540,48 @@
             ],
             "description": "Symfony Console Component",
             "homepage": "https://symfony.com",
-            "time": "2019-01-04T04:42:43+00:00"
+            "time": "2019-01-04T15:13:53+00:00"
         },
         {
-            "name": "symfony/debug",
-            "version": "v3.4.21",
+            "name": "symfony/contracts",
+            "version": "v1.0.2",
             "source": {
                 "type": "git",
-                "url": "https://github.com/symfony/debug.git",
-                "reference": "26d7f23b9bd0b93bee5583e4d6ca5cb1ab31b186"
+                "url": "https://github.com/symfony/contracts.git",
+                "reference": "1aa7ab2429c3d594dd70689604b5cf7421254cdf"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/debug/zipball/26d7f23b9bd0b93bee5583e4d6ca5cb1ab31b186",
-                "reference": "26d7f23b9bd0b93bee5583e4d6ca5cb1ab31b186",
+                "url": "https://api.github.com/repos/symfony/contracts/zipball/1aa7ab2429c3d594dd70689604b5cf7421254cdf",
+                "reference": "1aa7ab2429c3d594dd70689604b5cf7421254cdf",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.5.9|>=7.0.8",
-                "psr/log": "~1.0"
-            },
-            "conflict": {
-                "symfony/http-kernel": ">=2.3,<2.3.24|~2.4.0|>=2.5,<2.5.9|>=2.6,<2.6.2"
+                "php": "^7.1.3"
             },
             "require-dev": {
-                "symfony/http-kernel": "~2.8|~3.0|~4.0"
+                "psr/cache": "^1.0",
+                "psr/container": "^1.0"
+            },
+            "suggest": {
+                "psr/cache": "When using the Cache contracts",
+                "psr/container": "When using the Service contracts",
+                "symfony/cache-contracts-implementation": "",
+                "symfony/service-contracts-implementation": "",
+                "symfony/translation-contracts-implementation": ""
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.4-dev"
+                    "dev-master": "1.0-dev"
                 }
             },
             "autoload": {
                 "psr-4": {
-                    "Symfony\\Component\\Debug\\": ""
+                    "Symfony\\Contracts\\": ""
                 },
                 "exclude-from-classmap": [
-                    "/Tests/"
+                    "**/Tests/"
                 ]
             },
             "notification-url": "https://packagist.org/downloads/",
@@ -586,44 +590,53 @@
             ],
             "authors": [
                 {
-                    "name": "Fabien Potencier",
-                    "email": "fabien@symfony.com"
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
                 },
                 {
                     "name": "Symfony Community",
                     "homepage": "https://symfony.com/contributors"
                 }
             ],
-            "description": "Symfony Debug Component",
+            "description": "A set of abstractions extracted out of the Symfony components",
             "homepage": "https://symfony.com",
-            "time": "2019-01-01T13:45:19+00:00"
+            "keywords": [
+                "abstractions",
+                "contracts",
+                "decoupling",
+                "interfaces",
+                "interoperability",
+                "standards"
+            ],
+            "time": "2018-12-05T08:06:11+00:00"
         },
         {
             "name": "symfony/event-dispatcher",
-            "version": "v3.4.21",
+            "version": "v4.2.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/event-dispatcher.git",
-                "reference": "d1cdd46c53c264a2bd42505bd0e8ce21423bd0e2"
+                "reference": "887de6d34c86cf0cb6cbf910afb170cdb743cb5e"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/event-dispatcher/zipball/d1cdd46c53c264a2bd42505bd0e8ce21423bd0e2",
-                "reference": "d1cdd46c53c264a2bd42505bd0e8ce21423bd0e2",
+                "url": "https://api.github.com/repos/symfony/event-dispatcher/zipball/887de6d34c86cf0cb6cbf910afb170cdb743cb5e",
+                "reference": "887de6d34c86cf0cb6cbf910afb170cdb743cb5e",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.5.9|>=7.0.8"
+                "php": "^7.1.3",
+                "symfony/contracts": "^1.0"
             },
             "conflict": {
-                "symfony/dependency-injection": "<3.3"
+                "symfony/dependency-injection": "<3.4"
             },
             "require-dev": {
                 "psr/log": "~1.0",
-                "symfony/config": "~2.8|~3.0|~4.0",
-                "symfony/dependency-injection": "~3.3|~4.0",
-                "symfony/expression-language": "~2.8|~3.0|~4.0",
-                "symfony/stopwatch": "~2.8|~3.0|~4.0"
+                "symfony/config": "~3.4|~4.0",
+                "symfony/dependency-injection": "~3.4|~4.0",
+                "symfony/expression-language": "~3.4|~4.0",
+                "symfony/stopwatch": "~3.4|~4.0"
             },
             "suggest": {
                 "symfony/dependency-injection": "",
@@ -632,7 +645,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.4-dev"
+                    "dev-master": "4.2-dev"
                 }
             },
             "autoload": {
@@ -659,30 +672,30 @@
             ],
             "description": "Symfony EventDispatcher Component",
             "homepage": "https://symfony.com",
-            "time": "2019-01-01T18:08:36+00:00"
+            "time": "2019-01-05T16:37:49+00:00"
         },
         {
             "name": "symfony/filesystem",
-            "version": "v3.4.21",
+            "version": "v4.2.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/filesystem.git",
-                "reference": "c24ce3d18ccc9bb9d7e1d6ce9330fcc6061cafde"
+                "reference": "c2ffd9a93f2d6c5be2f68a0aa7953cc229f871f8"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/filesystem/zipball/c24ce3d18ccc9bb9d7e1d6ce9330fcc6061cafde",
-                "reference": "c24ce3d18ccc9bb9d7e1d6ce9330fcc6061cafde",
+                "url": "https://api.github.com/repos/symfony/filesystem/zipball/c2ffd9a93f2d6c5be2f68a0aa7953cc229f871f8",
+                "reference": "c2ffd9a93f2d6c5be2f68a0aa7953cc229f871f8",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.5.9|>=7.0.8",
+                "php": "^7.1.3",
                 "symfony/polyfill-ctype": "~1.8"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.4-dev"
+                    "dev-master": "4.2-dev"
                 }
             },
             "autoload": {
@@ -709,29 +722,29 @@
             ],
             "description": "Symfony Filesystem Component",
             "homepage": "https://symfony.com",
-            "time": "2019-01-01T13:45:19+00:00"
+            "time": "2019-01-03T09:07:35+00:00"
         },
         {
             "name": "symfony/finder",
-            "version": "v3.4.21",
+            "version": "v4.2.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/finder.git",
-                "reference": "3f2a2ab6315dd7682d4c16dcae1e7b95c8b8555e"
+                "reference": "9094d69e8c6ee3fe186a0ec5a4f1401e506071ce"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/finder/zipball/3f2a2ab6315dd7682d4c16dcae1e7b95c8b8555e",
-                "reference": "3f2a2ab6315dd7682d4c16dcae1e7b95c8b8555e",
+                "url": "https://api.github.com/repos/symfony/finder/zipball/9094d69e8c6ee3fe186a0ec5a4f1401e506071ce",
+                "reference": "9094d69e8c6ee3fe186a0ec5a4f1401e506071ce",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.5.9|>=7.0.8"
+                "php": "^7.1.3"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.4-dev"
+                    "dev-master": "4.2-dev"
                 }
             },
             "autoload": {
@@ -758,29 +771,29 @@
             ],
             "description": "Symfony Finder Component",
             "homepage": "https://symfony.com",
-            "time": "2019-01-01T13:45:19+00:00"
+            "time": "2019-01-03T09:07:35+00:00"
         },
         {
             "name": "symfony/options-resolver",
-            "version": "v3.4.21",
+            "version": "v4.2.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/options-resolver.git",
-                "reference": "8a10e36ffd04c0c551051594952304d34ecece71"
+                "reference": "fbcb106aeee72f3450298bf73324d2cc00d083d1"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/options-resolver/zipball/8a10e36ffd04c0c551051594952304d34ecece71",
-                "reference": "8a10e36ffd04c0c551051594952304d34ecece71",
+                "url": "https://api.github.com/repos/symfony/options-resolver/zipball/fbcb106aeee72f3450298bf73324d2cc00d083d1",
+                "reference": "fbcb106aeee72f3450298bf73324d2cc00d083d1",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.5.9|>=7.0.8"
+                "php": "^7.1.3"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.4-dev"
+                    "dev-master": "4.2-dev"
                 }
             },
             "autoload": {
@@ -812,7 +825,7 @@
                 "configuration",
                 "options"
             ],
-            "time": "2019-01-01T13:45:19+00:00"
+            "time": "2019-01-03T09:07:35+00:00"
         },
         {
             "name": "symfony/polyfill-ctype",
@@ -1047,25 +1060,25 @@
         },
         {
             "name": "symfony/process",
-            "version": "v3.4.21",
+            "version": "v4.2.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/process.git",
-                "reference": "0d41dd7d95ed179aed6a13393b0f4f97bfa2d25c"
+                "reference": "ea043ab5d8ed13b467a9087d81cb876aee7f689a"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/process/zipball/0d41dd7d95ed179aed6a13393b0f4f97bfa2d25c",
-                "reference": "0d41dd7d95ed179aed6a13393b0f4f97bfa2d25c",
+                "url": "https://api.github.com/repos/symfony/process/zipball/ea043ab5d8ed13b467a9087d81cb876aee7f689a",
+                "reference": "ea043ab5d8ed13b467a9087d81cb876aee7f689a",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.5.9|>=7.0.8"
+                "php": "^7.1.3"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.4-dev"
+                    "dev-master": "4.2-dev"
                 }
             },
             "autoload": {
@@ -1092,29 +1105,30 @@
             ],
             "description": "Symfony Process Component",
             "homepage": "https://symfony.com",
-            "time": "2019-01-02T21:24:08+00:00"
+            "time": "2019-01-03T14:48:52+00:00"
         },
         {
             "name": "symfony/stopwatch",
-            "version": "v3.4.21",
+            "version": "v4.2.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/stopwatch.git",
-                "reference": "af55d31cb58c5452d2c160655fa1968b872a8084"
+                "reference": "af62b35760fc92c8dbdce659b4eebdfe0e6a0472"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/stopwatch/zipball/af55d31cb58c5452d2c160655fa1968b872a8084",
-                "reference": "af55d31cb58c5452d2c160655fa1968b872a8084",
+                "url": "https://api.github.com/repos/symfony/stopwatch/zipball/af62b35760fc92c8dbdce659b4eebdfe0e6a0472",
+                "reference": "af62b35760fc92c8dbdce659b4eebdfe0e6a0472",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.5.9|>=7.0.8"
+                "php": "^7.1.3",
+                "symfony/contracts": "^1.0"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.4-dev"
+                    "dev-master": "4.2-dev"
                 }
             },
             "autoload": {
@@ -1141,7 +1155,7 @@
             ],
             "description": "Symfony Stopwatch Component",
             "homepage": "https://symfony.com",
-            "time": "2019-01-01T13:45:19+00:00"
+            "time": "2019-01-03T09:07:35+00:00"
         }
     ],
     "packages-dev": [],
diff --git a/vendor-bin/daux/composer.lock b/vendor-bin/daux/composer.lock
index d3905db..6adb1a1 100644
--- a/vendor-bin/daux/composer.lock
+++ b/vendor-bin/daux/composer.lock
@@ -8,28 +8,29 @@
     "packages": [
         {
             "name": "daux/daux.io",
-            "version": "0.7.2",
+            "version": "0.8.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/dauxio/daux.io.git",
-                "reference": "2caa193a1690c95100936ae60b58b059ed19b852"
+                "reference": "7d8d5c86cfce682166bb55bc2298f2658c75cdc3"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/dauxio/daux.io/zipball/2caa193a1690c95100936ae60b58b059ed19b852",
-                "reference": "2caa193a1690c95100936ae60b58b059ed19b852",
+                "url": "https://api.github.com/repos/dauxio/daux.io/zipball/7d8d5c86cfce682166bb55bc2298f2658c75cdc3",
+                "reference": "7d8d5c86cfce682166bb55bc2298f2658c75cdc3",
                 "shasum": ""
             },
             "require": {
                 "guzzlehttp/guzzle": "~6.0",
-                "league/commonmark": "^0.15",
+                "league/commonmark": "^0.17",
                 "league/plates": "~3.1",
                 "myclabs/deep-copy": "^1.5",
-                "php": ">=5.6",
-                "symfony/console": "^3.3",
-                "symfony/http-foundation": "^3.3",
-                "symfony/process": "^3.3",
-                "webuni/commonmark-table-extension": "0.6.*",
+                "php": ">=7.1.3",
+                "symfony/console": "^4.0",
+                "symfony/http-foundation": "^4.0",
+                "symfony/polyfill-intl-icu": "^1.9",
+                "symfony/process": "^4.0",
+                "webuni/commonmark-table-extension": "0.8.*",
                 "webuni/front-matter": "^1.0.0"
             },
             "replace": {
@@ -37,7 +38,10 @@
             },
             "require-dev": {
                 "mikey179/vfsstream": "^1.6",
-                "phpunit/phpunit": "~5.7"
+                "phpunit/phpunit": "~7.3"
+            },
+            "suggest": {
+                "ext-intl": "Allows to translate the modified at date"
             },
             "bin": [
                 "bin/daux"
@@ -70,7 +74,7 @@
                 "markdown",
                 "md"
             ],
-            "time": "2018-02-27T22:43:36+00:00"
+            "time": "2018-10-01T20:25:59+00:00"
         },
         {
             "name": "guzzlehttp/guzzle",
@@ -257,34 +261,34 @@
         },
         {
             "name": "league/commonmark",
-            "version": "0.15.7",
+            "version": "0.17.5",
             "source": {
                 "type": "git",
                 "url": "https://github.com/thephpleague/commonmark.git",
-                "reference": "36d82f166e441dfa28643f8d01dd8bdd3a579adf"
+                "reference": "82d7ab62d7f68391cb9d323f3ccce50be24a5369"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/thephpleague/commonmark/zipball/36d82f166e441dfa28643f8d01dd8bdd3a579adf",
-                "reference": "36d82f166e441dfa28643f8d01dd8bdd3a579adf",
+                "url": "https://api.github.com/repos/thephpleague/commonmark/zipball/82d7ab62d7f68391cb9d323f3ccce50be24a5369",
+                "reference": "82d7ab62d7f68391cb9d323f3ccce50be24a5369",
                 "shasum": ""
             },
             "require": {
                 "ext-mbstring": "*",
-                "php": ">=5.4.8"
+                "php": ">=5.6.5"
             },
             "replace": {
                 "colinodell/commonmark-php": "*"
             },
             "require-dev": {
                 "cebe/markdown": "~1.0",
+                "commonmark/commonmark.js": "0.28",
                 "erusev/parsedown": "~1.0",
-                "jgm/commonmark": "0.28",
                 "michelf/php-markdown": "~1.4",
-                "mikehaertl/php-shellcommand": "~1.2.0",
-                "phpunit/phpunit": "~4.3|~5.0",
-                "scrutinizer/ocular": "~1.1",
-                "symfony/finder": "~2.3|~3.0"
+                "mikehaertl/php-shellcommand": "^1.2",
+                "phpunit/phpunit": "^5.7|^6.5",
+                "scrutinizer/ocular": "^1.1",
+                "symfony/finder": "^3.0|^4.0"
             },
             "suggest": {
                 "league/commonmark-extras": "Library of useful extensions including smart punctuation"
@@ -295,7 +299,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "0.16-dev"
+                    "dev-master": "0.18-dev"
                 }
             },
             "autoload": {
@@ -322,7 +326,7 @@
                 "markdown",
                 "parser"
             ],
-            "time": "2017-10-26T15:41:07+00:00"
+            "time": "2018-03-29T14:35:19+00:00"
         },
         {
             "name": "league/plates",
@@ -381,25 +385,28 @@
         },
         {
             "name": "myclabs/deep-copy",
-            "version": "1.7.0",
+            "version": "1.8.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/myclabs/DeepCopy.git",
-                "reference": "3b8a3a99ba1f6a3952ac2747d989303cbd6b7a3e"
+                "reference": "3e01bdad3e18354c3dce54466b7fbe33a9f9f7f8"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/myclabs/DeepCopy/zipball/3b8a3a99ba1f6a3952ac2747d989303cbd6b7a3e",
-                "reference": "3b8a3a99ba1f6a3952ac2747d989303cbd6b7a3e",
+                "url": "https://api.github.com/repos/myclabs/DeepCopy/zipball/3e01bdad3e18354c3dce54466b7fbe33a9f9f7f8",
+                "reference": "3e01bdad3e18354c3dce54466b7fbe33a9f9f7f8",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.6 || ^7.0"
+                "php": "^7.1"
+            },
+            "replace": {
+                "myclabs/deep-copy": "self.version"
             },
             "require-dev": {
                 "doctrine/collections": "^1.0",
                 "doctrine/common": "^2.6",
-                "phpunit/phpunit": "^4.1"
+                "phpunit/phpunit": "^7.1"
             },
             "type": "library",
             "autoload": {
@@ -422,52 +429,7 @@
                 "object",
                 "object graph"
             ],
-            "time": "2017-10-19T19:58:43+00:00"
-        },
-        {
-            "name": "paragonie/random_compat",
-            "version": "v9.99.99",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/paragonie/random_compat.git",
-                "reference": "84b4dfb120c6f9b4ff7b3685f9b8f1aa365a0c95"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/paragonie/random_compat/zipball/84b4dfb120c6f9b4ff7b3685f9b8f1aa365a0c95",
-                "reference": "84b4dfb120c6f9b4ff7b3685f9b8f1aa365a0c95",
-                "shasum": ""
-            },
-            "require": {
-                "php": "^7"
-            },
-            "require-dev": {
-                "phpunit/phpunit": "4.*|5.*",
-                "vimeo/psalm": "^1"
-            },
-            "suggest": {
-                "ext-libsodium": "Provides a modern crypto API that can be used to generate random bytes."
-            },
-            "type": "library",
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Paragon Initiative Enterprises",
-                    "email": "security@paragonie.com",
-                    "homepage": "https://paragonie.com"
-                }
-            ],
-            "description": "PHP 5.x polyfill for random_bytes() and random_int() from PHP 7",
-            "keywords": [
-                "csprng",
-                "polyfill",
-                "pseudorandom",
-                "random"
-            ],
-            "time": "2018-07-02T15:55:56+00:00"
+            "time": "2018-06-11T23:09:50+00:00"
         },
         {
             "name": "psr/http-message",
@@ -519,53 +481,6 @@
             ],
             "time": "2016-08-06T14:39:51+00:00"
         },
-        {
-            "name": "psr/log",
-            "version": "1.1.0",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/php-fig/log.git",
-                "reference": "6c001f1daafa3a3ac1d8ff69ee4db8e799a654dd"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/php-fig/log/zipball/6c001f1daafa3a3ac1d8ff69ee4db8e799a654dd",
-                "reference": "6c001f1daafa3a3ac1d8ff69ee4db8e799a654dd",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=5.3.0"
-            },
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "1.0.x-dev"
-                }
-            },
-            "autoload": {
-                "psr-4": {
-                    "Psr\\Log\\": "Psr/Log/"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "PHP-FIG",
-                    "homepage": "http://www.php-fig.org/"
-                }
-            ],
-            "description": "Common interface for logging libraries",
-            "homepage": "https://github.com/php-fig/log",
-            "keywords": [
-                "log",
-                "psr",
-                "psr-3"
-            ],
-            "time": "2018-11-20T15:27:04+00:00"
-        },
         {
             "name": "ralouphie/getallheaders",
             "version": "2.0.5",
@@ -608,21 +523,21 @@
         },
         {
             "name": "symfony/console",
-            "version": "v3.4.21",
+            "version": "v4.2.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/console.git",
-                "reference": "a700b874d3692bc8342199adfb6d3b99f62cc61a"
+                "reference": "b0a03c1bb0fcbe288629956cf2f1dd3f1dc97522"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/console/zipball/a700b874d3692bc8342199adfb6d3b99f62cc61a",
-                "reference": "a700b874d3692bc8342199adfb6d3b99f62cc61a",
+                "url": "https://api.github.com/repos/symfony/console/zipball/b0a03c1bb0fcbe288629956cf2f1dd3f1dc97522",
+                "reference": "b0a03c1bb0fcbe288629956cf2f1dd3f1dc97522",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.5.9|>=7.0.8",
-                "symfony/debug": "~2.8|~3.0|~4.0",
+                "php": "^7.1.3",
+                "symfony/contracts": "^1.0",
                 "symfony/polyfill-mbstring": "~1.0"
             },
             "conflict": {
@@ -631,11 +546,11 @@
             },
             "require-dev": {
                 "psr/log": "~1.0",
-                "symfony/config": "~3.3|~4.0",
+                "symfony/config": "~3.4|~4.0",
                 "symfony/dependency-injection": "~3.4|~4.0",
-                "symfony/event-dispatcher": "~2.8|~3.0|~4.0",
+                "symfony/event-dispatcher": "~3.4|~4.0",
                 "symfony/lock": "~3.4|~4.0",
-                "symfony/process": "~3.3|~4.0"
+                "symfony/process": "~3.4|~4.0"
             },
             "suggest": {
                 "psr/log-implementation": "For using the console logger",
@@ -646,7 +561,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.4-dev"
+                    "dev-master": "4.2-dev"
                 }
             },
             "autoload": {
@@ -673,44 +588,48 @@
             ],
             "description": "Symfony Console Component",
             "homepage": "https://symfony.com",
-            "time": "2019-01-04T04:42:43+00:00"
+            "time": "2019-01-04T15:13:53+00:00"
         },
         {
-            "name": "symfony/debug",
-            "version": "v3.4.21",
+            "name": "symfony/contracts",
+            "version": "v1.0.2",
             "source": {
                 "type": "git",
-                "url": "https://github.com/symfony/debug.git",
-                "reference": "26d7f23b9bd0b93bee5583e4d6ca5cb1ab31b186"
+                "url": "https://github.com/symfony/contracts.git",
+                "reference": "1aa7ab2429c3d594dd70689604b5cf7421254cdf"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/debug/zipball/26d7f23b9bd0b93bee5583e4d6ca5cb1ab31b186",
-                "reference": "26d7f23b9bd0b93bee5583e4d6ca5cb1ab31b186",
+                "url": "https://api.github.com/repos/symfony/contracts/zipball/1aa7ab2429c3d594dd70689604b5cf7421254cdf",
+                "reference": "1aa7ab2429c3d594dd70689604b5cf7421254cdf",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.5.9|>=7.0.8",
-                "psr/log": "~1.0"
-            },
-            "conflict": {
-                "symfony/http-kernel": ">=2.3,<2.3.24|~2.4.0|>=2.5,<2.5.9|>=2.6,<2.6.2"
+                "php": "^7.1.3"
             },
             "require-dev": {
-                "symfony/http-kernel": "~2.8|~3.0|~4.0"
+                "psr/cache": "^1.0",
+                "psr/container": "^1.0"
+            },
+            "suggest": {
+                "psr/cache": "When using the Cache contracts",
+                "psr/container": "When using the Service contracts",
+                "symfony/cache-contracts-implementation": "",
+                "symfony/service-contracts-implementation": "",
+                "symfony/translation-contracts-implementation": ""
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.4-dev"
+                    "dev-master": "1.0-dev"
                 }
             },
             "autoload": {
                 "psr-4": {
-                    "Symfony\\Component\\Debug\\": ""
+                    "Symfony\\Contracts\\": ""
                 },
                 "exclude-from-classmap": [
-                    "/Tests/"
+                    "**/Tests/"
                 ]
             },
             "notification-url": "https://packagist.org/downloads/",
@@ -719,44 +638,52 @@
             ],
             "authors": [
                 {
-                    "name": "Fabien Potencier",
-                    "email": "fabien@symfony.com"
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
                 },
                 {
                     "name": "Symfony Community",
                     "homepage": "https://symfony.com/contributors"
                 }
             ],
-            "description": "Symfony Debug Component",
+            "description": "A set of abstractions extracted out of the Symfony components",
             "homepage": "https://symfony.com",
-            "time": "2019-01-01T13:45:19+00:00"
+            "keywords": [
+                "abstractions",
+                "contracts",
+                "decoupling",
+                "interfaces",
+                "interoperability",
+                "standards"
+            ],
+            "time": "2018-12-05T08:06:11+00:00"
         },
         {
             "name": "symfony/http-foundation",
-            "version": "v3.4.21",
+            "version": "v4.2.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/http-foundation.git",
-                "reference": "2b97319e68816d2120eee7f13f4b76da12e04d03"
+                "reference": "a633d422a09242064ba24e44a6e1494c5126de86"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/http-foundation/zipball/2b97319e68816d2120eee7f13f4b76da12e04d03",
-                "reference": "2b97319e68816d2120eee7f13f4b76da12e04d03",
+                "url": "https://api.github.com/repos/symfony/http-foundation/zipball/a633d422a09242064ba24e44a6e1494c5126de86",
+                "reference": "a633d422a09242064ba24e44a6e1494c5126de86",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.5.9|>=7.0.8",
-                "symfony/polyfill-mbstring": "~1.1",
-                "symfony/polyfill-php70": "~1.6"
+                "php": "^7.1.3",
+                "symfony/polyfill-mbstring": "~1.1"
             },
             "require-dev": {
-                "symfony/expression-language": "~2.8|~3.0|~4.0"
+                "predis/predis": "~1.0",
+                "symfony/expression-language": "~3.4|~4.0"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.4-dev"
+                    "dev-master": "4.2-dev"
                 }
             },
             "autoload": {
@@ -783,7 +710,82 @@
             ],
             "description": "Symfony HttpFoundation Component",
             "homepage": "https://symfony.com",
-            "time": "2019-01-05T08:05:37+00:00"
+            "time": "2019-01-05T16:37:49+00:00"
+        },
+        {
+            "name": "symfony/intl",
+            "version": "v4.2.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/intl.git",
+                "reference": "9bc515dfd1f02bcf64309ab5fd86bace4f43b86d"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/intl/zipball/9bc515dfd1f02bcf64309ab5fd86bace4f43b86d",
+                "reference": "9bc515dfd1f02bcf64309ab5fd86bace4f43b86d",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.1.3",
+                "symfony/polyfill-intl-icu": "~1.0"
+            },
+            "require-dev": {
+                "symfony/filesystem": "~3.4|~4.0"
+            },
+            "suggest": {
+                "ext-intl": "to use the component with locales other than \"en\""
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "4.2-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Component\\Intl\\": ""
+                },
+                "classmap": [
+                    "Resources/stubs"
+                ],
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Bernhard Schussek",
+                    "email": "bschussek@gmail.com"
+                },
+                {
+                    "name": "Eriksen Costa",
+                    "email": "eriksen.costa@infranology.com.br"
+                },
+                {
+                    "name": "Igor Wiedler",
+                    "email": "igor@wiedler.ch"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "A PHP replacement layer for the C intl extension that includes additional data from the ICU library.",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "i18n",
+                "icu",
+                "internationalization",
+                "intl",
+                "l10n",
+                "localization"
+            ],
+            "time": "2019-01-05T16:37:49+00:00"
         },
         {
             "name": "symfony/polyfill-ctype",
@@ -844,24 +846,25 @@
             "time": "2018-08-06T14:22:27+00:00"
         },
         {
-            "name": "symfony/polyfill-mbstring",
+            "name": "symfony/polyfill-intl-icu",
             "version": "v1.10.0",
             "source": {
                 "type": "git",
-                "url": "https://github.com/symfony/polyfill-mbstring.git",
-                "reference": "c79c051f5b3a46be09205c73b80b346e4153e494"
+                "url": "https://github.com/symfony/polyfill-intl-icu.git",
+                "reference": "f22a90256d577c7ef7efad8df1f0201663d57644"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/c79c051f5b3a46be09205c73b80b346e4153e494",
-                "reference": "c79c051f5b3a46be09205c73b80b346e4153e494",
+                "url": "https://api.github.com/repos/symfony/polyfill-intl-icu/zipball/f22a90256d577c7ef7efad8df1f0201663d57644",
+                "reference": "f22a90256d577c7ef7efad8df1f0201663d57644",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.3"
+                "php": ">=5.3.3",
+                "symfony/intl": "~2.3|~3.0|~4.0"
             },
             "suggest": {
-                "ext-mbstring": "For best performance"
+                "ext-intl": "For best performance"
             },
             "type": "library",
             "extra": {
@@ -870,9 +873,6 @@
                 }
             },
             "autoload": {
-                "psr-4": {
-                    "Symfony\\Polyfill\\Mbstring\\": ""
-                },
                 "files": [
                     "bootstrap.php"
                 ]
@@ -891,35 +891,38 @@
                     "homepage": "https://symfony.com/contributors"
                 }
             ],
-            "description": "Symfony polyfill for the Mbstring extension",
+            "description": "Symfony polyfill for intl's ICU-related data and classes",
             "homepage": "https://symfony.com",
             "keywords": [
                 "compatibility",
-                "mbstring",
+                "icu",
+                "intl",
                 "polyfill",
                 "portable",
                 "shim"
             ],
-            "time": "2018-09-21T13:07:52+00:00"
+            "time": "2018-08-06T14:22:27+00:00"
         },
         {
-            "name": "symfony/polyfill-php70",
+            "name": "symfony/polyfill-mbstring",
             "version": "v1.10.0",
             "source": {
                 "type": "git",
-                "url": "https://github.com/symfony/polyfill-php70.git",
-                "reference": "6b88000cdd431cd2e940caa2cb569201f3f84224"
+                "url": "https://github.com/symfony/polyfill-mbstring.git",
+                "reference": "c79c051f5b3a46be09205c73b80b346e4153e494"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-php70/zipball/6b88000cdd431cd2e940caa2cb569201f3f84224",
-                "reference": "6b88000cdd431cd2e940caa2cb569201f3f84224",
+                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/c79c051f5b3a46be09205c73b80b346e4153e494",
+                "reference": "c79c051f5b3a46be09205c73b80b346e4153e494",
                 "shasum": ""
             },
             "require": {
-                "paragonie/random_compat": "~1.0|~2.0|~9.99",
                 "php": ">=5.3.3"
             },
+            "suggest": {
+                "ext-mbstring": "For best performance"
+            },
             "type": "library",
             "extra": {
                 "branch-alias": {
@@ -928,13 +931,10 @@
             },
             "autoload": {
                 "psr-4": {
-                    "Symfony\\Polyfill\\Php70\\": ""
+                    "Symfony\\Polyfill\\Mbstring\\": ""
                 },
                 "files": [
                     "bootstrap.php"
-                ],
-                "classmap": [
-                    "Resources/stubs"
                 ]
             },
             "notification-url": "https://packagist.org/downloads/",
@@ -951,37 +951,38 @@
                     "homepage": "https://symfony.com/contributors"
                 }
             ],
-            "description": "Symfony polyfill backporting some PHP 7.0+ features to lower PHP versions",
+            "description": "Symfony polyfill for the Mbstring extension",
             "homepage": "https://symfony.com",
             "keywords": [
                 "compatibility",
+                "mbstring",
                 "polyfill",
                 "portable",
                 "shim"
             ],
-            "time": "2018-09-21T06:26:08+00:00"
+            "time": "2018-09-21T13:07:52+00:00"
         },
         {
             "name": "symfony/process",
-            "version": "v3.4.21",
+            "version": "v4.2.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/process.git",
-                "reference": "0d41dd7d95ed179aed6a13393b0f4f97bfa2d25c"
+                "reference": "ea043ab5d8ed13b467a9087d81cb876aee7f689a"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/process/zipball/0d41dd7d95ed179aed6a13393b0f4f97bfa2d25c",
-                "reference": "0d41dd7d95ed179aed6a13393b0f4f97bfa2d25c",
+                "url": "https://api.github.com/repos/symfony/process/zipball/ea043ab5d8ed13b467a9087d81cb876aee7f689a",
+                "reference": "ea043ab5d8ed13b467a9087d81cb876aee7f689a",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.5.9|>=7.0.8"
+                "php": "^7.1.3"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.4-dev"
+                    "dev-master": "4.2-dev"
                 }
             },
             "autoload": {
@@ -1008,24 +1009,24 @@
             ],
             "description": "Symfony Process Component",
             "homepage": "https://symfony.com",
-            "time": "2019-01-02T21:24:08+00:00"
+            "time": "2019-01-03T14:48:52+00:00"
         },
         {
             "name": "symfony/yaml",
-            "version": "v3.4.21",
+            "version": "v4.2.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/yaml.git",
-                "reference": "554a59a1ccbaac238a89b19c8e551a556fd0e2ea"
+                "reference": "d0aa6c0ea484087927b49fd513383a7d36190ca6"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/yaml/zipball/554a59a1ccbaac238a89b19c8e551a556fd0e2ea",
-                "reference": "554a59a1ccbaac238a89b19c8e551a556fd0e2ea",
+                "url": "https://api.github.com/repos/symfony/yaml/zipball/d0aa6c0ea484087927b49fd513383a7d36190ca6",
+                "reference": "d0aa6c0ea484087927b49fd513383a7d36190ca6",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.5.9|>=7.0.8",
+                "php": "^7.1.3",
                 "symfony/polyfill-ctype": "~1.8"
             },
             "conflict": {
@@ -1040,7 +1041,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.4-dev"
+                    "dev-master": "4.2-dev"
                 }
             },
             "autoload": {
@@ -1067,36 +1068,36 @@
             ],
             "description": "Symfony Yaml Component",
             "homepage": "https://symfony.com",
-            "time": "2019-01-01T13:45:19+00:00"
+            "time": "2019-01-03T09:07:35+00:00"
         },
         {
             "name": "webuni/commonmark-table-extension",
-            "version": "0.6.1",
+            "version": "0.8.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/webuni/commonmark-table-extension.git",
-                "reference": "ebbd69b63436283ec726658835b213ec634485e8"
+                "reference": "4304b1f56b26e5213a4a781b654f62ef5ed8fbe3"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/webuni/commonmark-table-extension/zipball/ebbd69b63436283ec726658835b213ec634485e8",
-                "reference": "ebbd69b63436283ec726658835b213ec634485e8",
+                "url": "https://api.github.com/repos/webuni/commonmark-table-extension/zipball/4304b1f56b26e5213a4a781b654f62ef5ed8fbe3",
+                "reference": "4304b1f56b26e5213a4a781b654f62ef5ed8fbe3",
                 "shasum": ""
             },
             "require": {
-                "league/commonmark": "^0.14|^0.15",
-                "php": "^5.5|^7.0"
+                "league/commonmark": "^0.16|^0.17",
+                "php": "^5.6|^7.0"
             },
             "require-dev": {
-                "friendsofphp/php-cs-fixer": "^1.9",
-                "phpunit/phpunit": "^4.3|^5.0",
-                "sllh/php-cs-fixer-styleci-bridge": "^2.0",
-                "symfony/var-dumper": "^2.7|^3.0"
+                "friendsofphp/php-cs-fixer": "^2.9",
+                "phpunit/phpunit": "^5.4|^6.0",
+                "symfony/var-dumper": "^3.0|^4.0",
+                "vimeo/psalm": "~0.3"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "0.7-dev"
+                    "dev-master": "0.8-dev"
                 }
             },
             "autoload": {
@@ -1111,8 +1112,7 @@
             "authors": [
                 {
                     "name": "Martin Hasoň",
-                    "email": "martin.hason@gmail.com",
-                    "role": "Lead Developer"
+                    "email": "martin.hason@gmail.com"
                 },
                 {
                     "name": "Webuni s.r.o.",
@@ -1126,7 +1126,7 @@
                 "markdown",
                 "table"
             ],
-            "time": "2017-01-11T14:52:17+00:00"
+            "time": "2018-01-24T12:30:02+00:00"
         },
         {
             "name": "webuni/front-matter",
diff --git a/vendor-bin/phpunit/composer.lock b/vendor-bin/phpunit/composer.lock
index 40ac728..fb99feb 100644
--- a/vendor-bin/phpunit/composer.lock
+++ b/vendor-bin/phpunit/composer.lock
@@ -58,32 +58,32 @@
         },
         {
             "name": "doctrine/instantiator",
-            "version": "1.0.5",
+            "version": "1.1.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/doctrine/instantiator.git",
-                "reference": "8e884e78f9f0eb1329e445619e04456e64d8051d"
+                "reference": "185b8868aa9bf7159f5f953ed5afb2d7fcdc3bda"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/doctrine/instantiator/zipball/8e884e78f9f0eb1329e445619e04456e64d8051d",
-                "reference": "8e884e78f9f0eb1329e445619e04456e64d8051d",
+                "url": "https://api.github.com/repos/doctrine/instantiator/zipball/185b8868aa9bf7159f5f953ed5afb2d7fcdc3bda",
+                "reference": "185b8868aa9bf7159f5f953ed5afb2d7fcdc3bda",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3,<8.0-DEV"
+                "php": "^7.1"
             },
             "require-dev": {
                 "athletic/athletic": "~0.1.8",
                 "ext-pdo": "*",
                 "ext-phar": "*",
-                "phpunit/phpunit": "~4.0",
-                "squizlabs/php_codesniffer": "~2.0"
+                "phpunit/phpunit": "^6.2.3",
+                "squizlabs/php_codesniffer": "^3.0.2"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.0.x-dev"
+                    "dev-master": "1.2.x-dev"
                 }
             },
             "autoload": {
@@ -108,7 +108,7 @@
                 "constructor",
                 "instantiate"
             ],
-            "time": "2015-06-14T21:17:01+00:00"
+            "time": "2017-07-22T11:58:36+00:00"
         },
         {
             "name": "mikey179/vfsStream",
@@ -158,25 +158,28 @@
         },
         {
             "name": "myclabs/deep-copy",
-            "version": "1.7.0",
+            "version": "1.8.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/myclabs/DeepCopy.git",
-                "reference": "3b8a3a99ba1f6a3952ac2747d989303cbd6b7a3e"
+                "reference": "3e01bdad3e18354c3dce54466b7fbe33a9f9f7f8"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/myclabs/DeepCopy/zipball/3b8a3a99ba1f6a3952ac2747d989303cbd6b7a3e",
-                "reference": "3b8a3a99ba1f6a3952ac2747d989303cbd6b7a3e",
+                "url": "https://api.github.com/repos/myclabs/DeepCopy/zipball/3e01bdad3e18354c3dce54466b7fbe33a9f9f7f8",
+                "reference": "3e01bdad3e18354c3dce54466b7fbe33a9f9f7f8",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.6 || ^7.0"
+                "php": "^7.1"
+            },
+            "replace": {
+                "myclabs/deep-copy": "self.version"
             },
             "require-dev": {
                 "doctrine/collections": "^1.0",
                 "doctrine/common": "^2.6",
-                "phpunit/phpunit": "^4.1"
+                "phpunit/phpunit": "^7.1"
             },
             "type": "library",
             "autoload": {
@@ -199,7 +202,7 @@
                 "object",
                 "object graph"
             ],
-            "time": "2017-10-19T19:58:43+00:00"
+            "time": "2018-06-11T23:09:50+00:00"
         },
         {
             "name": "phake/phake",
diff --git a/vendor-bin/robo/composer.lock b/vendor-bin/robo/composer.lock
index 624be20..123dceb 100644
--- a/vendor-bin/robo/composer.lock
+++ b/vendor-bin/robo/composer.lock
@@ -1020,21 +1020,21 @@
         },
         {
             "name": "symfony/console",
-            "version": "v3.4.21",
+            "version": "v4.2.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/console.git",
-                "reference": "a700b874d3692bc8342199adfb6d3b99f62cc61a"
+                "reference": "b0a03c1bb0fcbe288629956cf2f1dd3f1dc97522"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/console/zipball/a700b874d3692bc8342199adfb6d3b99f62cc61a",
-                "reference": "a700b874d3692bc8342199adfb6d3b99f62cc61a",
+                "url": "https://api.github.com/repos/symfony/console/zipball/b0a03c1bb0fcbe288629956cf2f1dd3f1dc97522",
+                "reference": "b0a03c1bb0fcbe288629956cf2f1dd3f1dc97522",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.5.9|>=7.0.8",
-                "symfony/debug": "~2.8|~3.0|~4.0",
+                "php": "^7.1.3",
+                "symfony/contracts": "^1.0",
                 "symfony/polyfill-mbstring": "~1.0"
             },
             "conflict": {
@@ -1043,11 +1043,11 @@
             },
             "require-dev": {
                 "psr/log": "~1.0",
-                "symfony/config": "~3.3|~4.0",
+                "symfony/config": "~3.4|~4.0",
                 "symfony/dependency-injection": "~3.4|~4.0",
-                "symfony/event-dispatcher": "~2.8|~3.0|~4.0",
+                "symfony/event-dispatcher": "~3.4|~4.0",
                 "symfony/lock": "~3.4|~4.0",
-                "symfony/process": "~3.3|~4.0"
+                "symfony/process": "~3.4|~4.0"
             },
             "suggest": {
                 "psr/log-implementation": "For using the console logger",
@@ -1058,7 +1058,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.4-dev"
+                    "dev-master": "4.2-dev"
                 }
             },
             "autoload": {
@@ -1085,44 +1085,48 @@
             ],
             "description": "Symfony Console Component",
             "homepage": "https://symfony.com",
-            "time": "2019-01-04T04:42:43+00:00"
+            "time": "2019-01-04T15:13:53+00:00"
         },
         {
-            "name": "symfony/debug",
-            "version": "v3.4.21",
+            "name": "symfony/contracts",
+            "version": "v1.0.2",
             "source": {
                 "type": "git",
-                "url": "https://github.com/symfony/debug.git",
-                "reference": "26d7f23b9bd0b93bee5583e4d6ca5cb1ab31b186"
+                "url": "https://github.com/symfony/contracts.git",
+                "reference": "1aa7ab2429c3d594dd70689604b5cf7421254cdf"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/debug/zipball/26d7f23b9bd0b93bee5583e4d6ca5cb1ab31b186",
-                "reference": "26d7f23b9bd0b93bee5583e4d6ca5cb1ab31b186",
+                "url": "https://api.github.com/repos/symfony/contracts/zipball/1aa7ab2429c3d594dd70689604b5cf7421254cdf",
+                "reference": "1aa7ab2429c3d594dd70689604b5cf7421254cdf",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.5.9|>=7.0.8",
-                "psr/log": "~1.0"
-            },
-            "conflict": {
-                "symfony/http-kernel": ">=2.3,<2.3.24|~2.4.0|>=2.5,<2.5.9|>=2.6,<2.6.2"
+                "php": "^7.1.3"
             },
             "require-dev": {
-                "symfony/http-kernel": "~2.8|~3.0|~4.0"
+                "psr/cache": "^1.0",
+                "psr/container": "^1.0"
+            },
+            "suggest": {
+                "psr/cache": "When using the Cache contracts",
+                "psr/container": "When using the Service contracts",
+                "symfony/cache-contracts-implementation": "",
+                "symfony/service-contracts-implementation": "",
+                "symfony/translation-contracts-implementation": ""
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.4-dev"
+                    "dev-master": "1.0-dev"
                 }
             },
             "autoload": {
                 "psr-4": {
-                    "Symfony\\Component\\Debug\\": ""
+                    "Symfony\\Contracts\\": ""
                 },
                 "exclude-from-classmap": [
-                    "/Tests/"
+                    "**/Tests/"
                 ]
             },
             "notification-url": "https://packagist.org/downloads/",
@@ -1131,44 +1135,53 @@
             ],
             "authors": [
                 {
-                    "name": "Fabien Potencier",
-                    "email": "fabien@symfony.com"
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
                 },
                 {
                     "name": "Symfony Community",
                     "homepage": "https://symfony.com/contributors"
                 }
             ],
-            "description": "Symfony Debug Component",
+            "description": "A set of abstractions extracted out of the Symfony components",
             "homepage": "https://symfony.com",
-            "time": "2019-01-01T13:45:19+00:00"
+            "keywords": [
+                "abstractions",
+                "contracts",
+                "decoupling",
+                "interfaces",
+                "interoperability",
+                "standards"
+            ],
+            "time": "2018-12-05T08:06:11+00:00"
         },
         {
             "name": "symfony/event-dispatcher",
-            "version": "v3.4.21",
+            "version": "v4.2.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/event-dispatcher.git",
-                "reference": "d1cdd46c53c264a2bd42505bd0e8ce21423bd0e2"
+                "reference": "887de6d34c86cf0cb6cbf910afb170cdb743cb5e"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/event-dispatcher/zipball/d1cdd46c53c264a2bd42505bd0e8ce21423bd0e2",
-                "reference": "d1cdd46c53c264a2bd42505bd0e8ce21423bd0e2",
+                "url": "https://api.github.com/repos/symfony/event-dispatcher/zipball/887de6d34c86cf0cb6cbf910afb170cdb743cb5e",
+                "reference": "887de6d34c86cf0cb6cbf910afb170cdb743cb5e",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.5.9|>=7.0.8"
+                "php": "^7.1.3",
+                "symfony/contracts": "^1.0"
             },
             "conflict": {
-                "symfony/dependency-injection": "<3.3"
+                "symfony/dependency-injection": "<3.4"
             },
             "require-dev": {
                 "psr/log": "~1.0",
-                "symfony/config": "~2.8|~3.0|~4.0",
-                "symfony/dependency-injection": "~3.3|~4.0",
-                "symfony/expression-language": "~2.8|~3.0|~4.0",
-                "symfony/stopwatch": "~2.8|~3.0|~4.0"
+                "symfony/config": "~3.4|~4.0",
+                "symfony/dependency-injection": "~3.4|~4.0",
+                "symfony/expression-language": "~3.4|~4.0",
+                "symfony/stopwatch": "~3.4|~4.0"
             },
             "suggest": {
                 "symfony/dependency-injection": "",
@@ -1177,7 +1190,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.4-dev"
+                    "dev-master": "4.2-dev"
                 }
             },
             "autoload": {
@@ -1204,30 +1217,30 @@
             ],
             "description": "Symfony EventDispatcher Component",
             "homepage": "https://symfony.com",
-            "time": "2019-01-01T18:08:36+00:00"
+            "time": "2019-01-05T16:37:49+00:00"
         },
         {
             "name": "symfony/filesystem",
-            "version": "v3.4.21",
+            "version": "v4.2.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/filesystem.git",
-                "reference": "c24ce3d18ccc9bb9d7e1d6ce9330fcc6061cafde"
+                "reference": "c2ffd9a93f2d6c5be2f68a0aa7953cc229f871f8"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/filesystem/zipball/c24ce3d18ccc9bb9d7e1d6ce9330fcc6061cafde",
-                "reference": "c24ce3d18ccc9bb9d7e1d6ce9330fcc6061cafde",
+                "url": "https://api.github.com/repos/symfony/filesystem/zipball/c2ffd9a93f2d6c5be2f68a0aa7953cc229f871f8",
+                "reference": "c2ffd9a93f2d6c5be2f68a0aa7953cc229f871f8",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.5.9|>=7.0.8",
+                "php": "^7.1.3",
                 "symfony/polyfill-ctype": "~1.8"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.4-dev"
+                    "dev-master": "4.2-dev"
                 }
             },
             "autoload": {
@@ -1254,29 +1267,29 @@
             ],
             "description": "Symfony Filesystem Component",
             "homepage": "https://symfony.com",
-            "time": "2019-01-01T13:45:19+00:00"
+            "time": "2019-01-03T09:07:35+00:00"
         },
         {
             "name": "symfony/finder",
-            "version": "v3.4.21",
+            "version": "v4.2.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/finder.git",
-                "reference": "3f2a2ab6315dd7682d4c16dcae1e7b95c8b8555e"
+                "reference": "9094d69e8c6ee3fe186a0ec5a4f1401e506071ce"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/finder/zipball/3f2a2ab6315dd7682d4c16dcae1e7b95c8b8555e",
-                "reference": "3f2a2ab6315dd7682d4c16dcae1e7b95c8b8555e",
+                "url": "https://api.github.com/repos/symfony/finder/zipball/9094d69e8c6ee3fe186a0ec5a4f1401e506071ce",
+                "reference": "9094d69e8c6ee3fe186a0ec5a4f1401e506071ce",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.5.9|>=7.0.8"
+                "php": "^7.1.3"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.4-dev"
+                    "dev-master": "4.2-dev"
                 }
             },
             "autoload": {
@@ -1303,7 +1316,7 @@
             ],
             "description": "Symfony Finder Component",
             "homepage": "https://symfony.com",
-            "time": "2019-01-01T13:45:19+00:00"
+            "time": "2019-01-03T09:07:35+00:00"
         },
         {
             "name": "symfony/polyfill-ctype",
@@ -1473,20 +1486,20 @@
         },
         {
             "name": "symfony/yaml",
-            "version": "v3.4.21",
+            "version": "v4.2.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/yaml.git",
-                "reference": "554a59a1ccbaac238a89b19c8e551a556fd0e2ea"
+                "reference": "d0aa6c0ea484087927b49fd513383a7d36190ca6"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/yaml/zipball/554a59a1ccbaac238a89b19c8e551a556fd0e2ea",
-                "reference": "554a59a1ccbaac238a89b19c8e551a556fd0e2ea",
+                "url": "https://api.github.com/repos/symfony/yaml/zipball/d0aa6c0ea484087927b49fd513383a7d36190ca6",
+                "reference": "d0aa6c0ea484087927b49fd513383a7d36190ca6",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.5.9|>=7.0.8",
+                "php": "^7.1.3",
                 "symfony/polyfill-ctype": "~1.8"
             },
             "conflict": {
@@ -1501,7 +1514,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.4-dev"
+                    "dev-master": "4.2-dev"
                 }
             },
             "autoload": {
@@ -1528,7 +1541,7 @@
             ],
             "description": "Symfony Yaml Component",
             "homepage": "https://symfony.com",
-            "time": "2019-01-01T13:45:19+00:00"
+            "time": "2019-01-03T09:07:35+00:00"
         }
     ],
     "packages-dev": [],