diff --git a/composer.json b/composer.json
index 43c0d33..9967174 100644
--- a/composer.json
+++ b/composer.json
@@ -22,7 +22,6 @@
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-        "psr/cache": "^1.0",
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         "slim/psr7": "^1.0",
         "slim/slim": "^4.3",
@@ -59,6 +58,9 @@
         }
     },
     "config": {
+        "platform": {
+            "php": "7.3"
+        },
         "sort-packages": true,
         "optimize-autoloader": true,
         "vendor-dir": "app/vendor"
diff --git a/composer.lock b/composer.lock
index 24c0c0f..caa8e68 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
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-    "content-hash": "411f3570ca59cd8ac537c73834816d9c",
+    "content-hash": "5ce26cb09d799884f4a1c3f326f61eb4",
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             "name": "erusev/parsedown",
@@ -805,20 +805,20 @@
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-            "version": "1.1.2",
+            "version": "1.1.1",
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                 "type": "git",
                 "url": "https://github.com/php-fig/container.git",
-                "reference": "513e0666f7216c7459170d56df27dfcefe1689ea"
+                "reference": "8622567409010282b7aeebe4bb841fe98b58dcaf"
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-                "reference": "513e0666f7216c7459170d56df27dfcefe1689ea",
+                "url": "https://api.github.com/repos/php-fig/container/zipball/8622567409010282b7aeebe4bb841fe98b58dcaf",
+                "reference": "8622567409010282b7aeebe4bb841fe98b58dcaf",
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-                "php": ">=7.4.0"
+                "php": ">=7.2.0"
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@@ -847,9 +847,9 @@
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             "support": {
                 "issues": "https://github.com/php-fig/container/issues",
-                "source": "https://github.com/php-fig/container/tree/1.1.2"
+                "source": "https://github.com/php-fig/container/tree/1.1.1"
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-            "time": "2021-11-05T16:50:12+00:00"
+            "time": "2021-03-05T17:36:06+00:00"
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@@ -1075,30 +1075,30 @@
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-            "version": "3.0.0",
+            "version": "1.1.4",
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                 "url": "https://github.com/php-fig/log.git",
-                "reference": "fe5ea303b0887d5caefd3d431c3e61ad47037001"
+                "reference": "d49695b909c3b7628b6289db5479a1c204601f11"
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-                "reference": "fe5ea303b0887d5caefd3d431c3e61ad47037001",
+                "url": "https://api.github.com/repos/php-fig/log/zipball/d49695b909c3b7628b6289db5479a1c204601f11",
+                "reference": "d49695b909c3b7628b6289db5479a1c204601f11",
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-                "php": ">=8.0.0"
+                "php": ">=5.3.0"
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+                    "dev-master": "1.1.x-dev"
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-                    "Psr\\Log\\": "src"
+                    "Psr\\Log\\": "Psr/Log/"
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@@ -1119,9 +1119,9 @@
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-                "source": "https://github.com/php-fig/log/tree/3.0.0"
+                "source": "https://github.com/php-fig/log/tree/1.1.4"
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-            "time": "2021-07-14T16:46:02+00:00"
+            "time": "2021-05-03T11:20:27+00:00"
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             "name": "ralouphie/getallheaders",
@@ -2831,6 +2831,82 @@
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             "time": "2021-06-23T13:34:45+00:00"
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+        {
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+            "version": "1.3.1",
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+                "url": "https://github.com/composer/ca-bundle.git",
+                "reference": "4c679186f2aca4ab6a0f1b0b9cf9252decb44d0b"
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+                "reference": "4c679186f2aca4ab6a0f1b0b9cf9252decb44d0b",
+                "shasum": ""
+            },
+            "require": {
+                "ext-openssl": "*",
+                "ext-pcre": "*",
+                "php": "^5.3.2 || ^7.0 || ^8.0"
+            },
+            "require-dev": {
+                "phpstan/phpstan": "^0.12.55",
+                "psr/log": "^1.0",
+                "symfony/phpunit-bridge": "^4.2 || ^5",
+                "symfony/process": "^2.5 || ^3.0 || ^4.0 || ^5.0 || ^6.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-main": "1.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Composer\\CaBundle\\": "src"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Jordi Boggiano",
+                    "email": "j.boggiano@seld.be",
+                    "homepage": "http://seld.be"
+                }
+            ],
+            "description": "Lets you find a path to the system CA bundle, and includes a fallback to the Mozilla CA bundle.",
+            "keywords": [
+                "cabundle",
+                "cacert",
+                "certificate",
+                "ssl",
+                "tls"
+            ],
+            "support": {
+                "irc": "irc://irc.freenode.org/composer",
+                "issues": "https://github.com/composer/ca-bundle/issues",
+                "source": "https://github.com/composer/ca-bundle/tree/1.3.1"
+            },
+            "funding": [
+                {
+                    "url": "https://packagist.com",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/composer",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/composer/composer",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2021-10-28T20:44:15+00:00"
+        },
         {
             "name": "composer/semver",
             "version": "3.2.6",
@@ -3199,16 +3275,16 @@
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             "name": "friendsofphp/php-cs-fixer",
-            "version": "v3.2.1",
+            "version": "v3.3.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/FriendsOfPHP/PHP-CS-Fixer.git",
-                "reference": "13ae36a76b6e329e44ca3cafaa784ea02db9ff14"
+                "reference": "06bdbdfcd619183dd7a1a6948360f8af73b9ecec"
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-                "reference": "13ae36a76b6e329e44ca3cafaa784ea02db9ff14",
+                "url": "https://api.github.com/repos/FriendsOfPHP/PHP-CS-Fixer/zipball/06bdbdfcd619183dd7a1a6948360f8af73b9ecec",
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@@ -3217,18 +3293,19 @@
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                 "ext-json": "*",
                 "ext-tokenizer": "*",
-                "php": "^7.2 || ^8.0",
+                "php": "^7.2.5 || ^8.0",
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-                "symfony/console": "^4.4.20 || ^5.1.3",
-                "symfony/event-dispatcher": "^4.4.20 || ^5.0",
-                "symfony/filesystem": "^4.4.20 || ^5.0",
-                "symfony/finder": "^4.4.20 || ^5.0",
-                "symfony/options-resolver": "^4.4.20 || ^5.0",
+                "symfony/console": "^5.1.3",
+                "symfony/event-dispatcher": "^5.0",
+                "symfony/filesystem": "^5.0",
+                "symfony/finder": "^5.0",
+                "symfony/options-resolver": "^5.0",
+                "symfony/polyfill-mbstring": "^1.23",
                 "symfony/polyfill-php72": "^1.23",
                 "symfony/polyfill-php80": "^1.23",
                 "symfony/polyfill-php81": "^1.23",
-                "symfony/process": "^4.4.20 || ^5.0",
-                "symfony/stopwatch": "^4.4.20 || ^5.0"
+                "symfony/process": "^5.0",
+                "symfony/stopwatch": "^5.0"
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@@ -3244,12 +3321,11 @@
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                 "phpunitgoodpractices/traits": "^1.9.1",
                 "symfony/phpunit-bridge": "^5.2.4",
-                "symfony/yaml": "^4.4.20 || ^5.0"
+                "symfony/yaml": "^5.0"
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             "suggest": {
                 "ext-dom": "For handling output formats in XML",
-                "ext-mbstring": "For handling non-UTF8 characters.",
-                "symfony/polyfill-mbstring": "When enabling `ext-mbstring` is not possible."
+                "ext-mbstring": "For handling non-UTF8 characters."
             },
             "bin": [
                 "php-cs-fixer"
@@ -3277,7 +3353,7 @@
             "description": "A tool to automatically fix PHP code style",
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                 "issues": "https://github.com/FriendsOfPHP/PHP-CS-Fixer/issues",
-                "source": "https://github.com/FriendsOfPHP/PHP-CS-Fixer/tree/v3.2.1"
+                "source": "https://github.com/FriendsOfPHP/PHP-CS-Fixer/tree/v3.3.2"
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@@ -3285,7 +3361,7 @@
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                 }
             ],
-            "time": "2021-10-05T08:12:17+00:00"
+            "time": "2021-11-15T18:06:47+00:00"
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@@ -3455,36 +3531,44 @@
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-            "version": "1.0.4",
+            "version": "1.1.2",
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                 "url": "https://github.com/humbug/file_get_contents.git",
-                "reference": "66797199019d0cb4529cb8d29c6f0b4c5085b53a"
+                "reference": "dcb086060c9dd6b2f51d8f7a895500307110b7a7"
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-                "reference": "66797199019d0cb4529cb8d29c6f0b4c5085b53a",
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-                "php": ">=5.3"
+                "composer/ca-bundle": "^1.0",
+                "ext-openssl": "*",
+                "php": "^5.3 || ^7.0 || ^7.1 || ^7.2"
             },
             "require-dev": {
-                "phpunit/phpunit": "~4.0"
+                "bamarni/composer-bin-plugin": "^1.1",
+                "mikey179/vfsstream": "^1.6",
+                "phpunit/phpunit": "^4.8 || ^5.7 || ^6.5"
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+                "bamarni-bin": {
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+                },
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+                    "dev-master": "2.0-dev"
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-                    "Humbug\\": "src/Humbug/"
+                    "Humbug\\": "src/"
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+                    "src/function.php",
+                    "src/functions.php"
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@@ -3496,6 +3580,10 @@
                     "name": "Pádraic Brady",
                     "email": "padraic.brady@gmail.com",
                     "homepage": "http://blog.astrumfutura.com"
+                },
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+                    "email": "theo.fidry@gmail.com"
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@@ -3509,10 +3597,10 @@
                 "tls"
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-                "issues": "https://github.com/padraic/file_get_contents/issues",
-                "source": "https://github.com/humbug/file_get_contents/tree/1.0.4"
+                "issues": "https://github.com/humbug/file_get_contents/issues",
+                "source": "https://github.com/humbug/file_get_contents/tree/master"
             },
-            "time": "2015-04-22T18:45:00+00:00"
+            "time": "2018-02-12T18:47:17+00:00"
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@@ -5597,16 +5685,16 @@
         },
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-            "version": "v5.3.2",
+            "version": "v5.3.10",
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                 "url": "https://github.com/symfony/console.git",
-                "reference": "649730483885ff2ca99ca0560ef0e5f6b03f2ac1"
+                "reference": "d4e409d9fbcfbf71af0e5a940abb7b0b4bad0bd3"
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@@ -5614,11 +5702,12 @@
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                 "symfony/polyfill-php73": "^1.8",
-                "symfony/polyfill-php80": "^1.15",
+                "symfony/polyfill-php80": "^1.16",
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                 "symfony/string": "^5.1"
             },
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+                "psr/log": ">=3",
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                 "symfony/dotenv": "<5.1",
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@@ -5626,10 +5715,10 @@
                 "symfony/process": "<4.4"
             },
             "provide": {
-                "psr/log-implementation": "1.0"
+                "psr/log-implementation": "1.0|2.0"
             },
             "require-dev": {
-                "psr/log": "~1.0",
+                "psr/log": "^1|^2",
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@@ -5675,7 +5764,7 @@
                 "terminal"
             ],
             "support": {
-                "source": "https://github.com/symfony/console/tree/v5.3.2"
+                "source": "https://github.com/symfony/console/tree/v5.3.10"
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@@ -5691,7 +5780,7 @@
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             ],
-            "time": "2021-06-12T09:42:48+00:00"
+            "time": "2021-10-26T09:30:15+00:00"
         },
         {
             "name": "symfony/event-dispatcher",
@@ -6698,5 +6787,8 @@
         "ext-zip": "*"
     },
     "platform-dev": [],
+    "platform-overrides": {
+        "php": "7.3"
+    },
     "plugin-api-version": "2.1.0"
 }