diff --git a/composer.lock b/composer.lock
index 32d9647..8fdc7ab 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1,11 +1,10 @@
 {
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-        "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",
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@@ -164,7 +163,7 @@
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@@ -224,7 +223,7 @@
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@@ -280,20 +279,24 @@
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@@ -389,7 +399,11 @@
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@@ -451,20 +465,25 @@
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@@ -498,7 +517,12 @@
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@@ -539,26 +563,38 @@
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@@ -580,20 +616,24 @@
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@@ -629,20 +669,25 @@
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@@ -701,7 +746,11 @@
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@@ -757,26 +806,32 @@
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@@ -821,32 +876,36 @@
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@@ -869,31 +928,35 @@
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@@ -923,20 +986,24 @@
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@@ -944,12 +1011,13 @@
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@@ -989,7 +1057,11 @@
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+            "support": {
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@@ -1040,20 +1112,24 @@
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-                "reference": "994d4a811bafe801fb06dccbee797863ba2792ba",
+                "url": "https://api.github.com/repos/sebastianbergmann/recursion-context/zipball/b19cc3298482a335a95f3016d2f8a6950f0fbcd7",
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@@ -1093,7 +1169,11 @@
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             "homepage": "http://www.github.com/sebastianbergmann/recursion-context",
-            "time": "2015-06-21 08:04:50"
+            "support": {
+                "issues": "https://github.com/sebastianbergmann/recursion-context/issues",
+                "source": "https://github.com/sebastianbergmann/recursion-context/tree/master"
+            },
+            "time": "2016-10-03T07:41:43+00:00"
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         {
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@@ -1128,29 +1208,113 @@
             ],
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             "homepage": "https://github.com/sebastianbergmann/version",
-            "time": "2015-06-21 13:59:46"
+            "support": {
+                "issues": "https://github.com/sebastianbergmann/version/issues",
+                "source": "https://github.com/sebastianbergmann/version/tree/1.0.6"
+            },
+            "time": "2015-06-21T13:59:46+00:00"
+        },
+        {
+            "name": "symfony/polyfill-ctype",
+            "version": "v1.19.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-ctype.git",
+                "reference": "aed596913b70fae57be53d86faa2e9ef85a2297b"
+            },
+            "dist": {
+                "type": "zip",
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+                "reference": "aed596913b70fae57be53d86faa2e9ef85a2297b",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3"
+            },
+            "suggest": {
+                "ext-ctype": "For best performance"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-main": "1.19-dev"
+                },
+                "thanks": {
+                    "name": "symfony/polyfill",
+                    "url": "https://github.com/symfony/polyfill"
+                }
+            },
+            "autoload": {
+                "files": [
+                    "bootstrap.php"
+                ],
+                "psr-4": {
+                    "Symfony\\Polyfill\\Ctype\\": ""
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Gert de Pagter",
+                    "email": "BackEndTea@gmail.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony polyfill for ctype functions",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "ctype",
+                "polyfill",
+                "portable"
+            ],
+            "support": {
+                "source": "https://github.com/symfony/polyfill-ctype/tree/v1.19.0"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2020-10-23T09:01:57+00:00"
         },
         {
             "name": "symfony/yaml",
-            "version": "v2.7.7",
+            "version": "v2.8.52",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/yaml.git",
-                "reference": "4cfcd7a9fceba662b3c036b7d9a91f6197af046c"
+                "reference": "02c1859112aa779d9ab394ae4f3381911d84052b"
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-                "reference": "4cfcd7a9fceba662b3c036b7d9a91f6197af046c",
+                "url": "https://api.github.com/repos/symfony/yaml/zipball/02c1859112aa779d9ab394ae4f3381911d84052b",
+                "reference": "02c1859112aa779d9ab394ae4f3381911d84052b",
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             },
             "require": {
-                "php": ">=5.3.9"
+                "php": ">=5.3.9",
+                "symfony/polyfill-ctype": "~1.8"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.7-dev"
+                    "dev-master": "2.8-dev"
                 }
             },
             "autoload": {
@@ -1177,7 +1341,10 @@
             ],
             "description": "Symfony Yaml Component",
             "homepage": "https://symfony.com",
-            "time": "2015-11-18 13:41:01"
+            "support": {
+                "source": "https://github.com/symfony/yaml/tree/v2.8.52"
+            },
+            "time": "2018-11-11T11:18:13+00:00"
         }
     ],
     "aliases": [],
@@ -1188,5 +1355,6 @@
     "platform": {
         "php": ">=5.4.0"
     },
-    "platform-dev": []
+    "platform-dev": [],
+    "plugin-api-version": "2.2.0"
 }