diff --git a/composer.lock b/composer.lock
index 0dc48925..edde7d18 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1211,9 +1211,9 @@
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+                    "homepage": "https://michelf.ca/"
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@@ -3563,20 +3563,21 @@
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@@ -3586,7 +3587,7 @@
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@@ -3613,7 +3614,7 @@
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-            "time": "2019-03-30T15:58:42+00:00"
+            "time": "2019-08-26T08:55:16+00:00"
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@@ -3704,6 +3705,65 @@
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             "time": "2019-04-02T19:03:51+00:00"
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+            },
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+            },
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+            },
+            "autoload": {
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+                },
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+                ]
+            },
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+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
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+                    "email": "fabien@symfony.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "A library to manipulate MIME messages",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "mime",
+                "mime-type"
+            ],
+            "time": "2019-08-22T08:16:11+00:00"
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@@ -3803,7 +3863,7 @@
                 },
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                     "name": "Gert de Pagter",
-                    "email": "backendtea@gmail.com"
+                    "email": "BackEndTea@gmail.com"
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@@ -3817,17 +3877,79 @@
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+                    "email": "laurent@bassin.info"
+                },
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+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony polyfill for intl's idn_to_ascii and idn_to_utf8 functions",
+            "homepage": "https://symfony.com",
+            "keywords": [
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+                "idn",
+                "intl",
+                "polyfill",
+                "portable",
+                "shim"
+            ],
+            "time": "2019-08-06T08:03:45+00:00"
+        },
+        {
+            "name": "symfony/polyfill-mbstring",
+            "version": "v1.12.0",
+            "source": {
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+                "url": "https://github.com/symfony/polyfill-mbstring.git",
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@@ -3839,7 +3961,7 @@
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@@ -3873,7 +3995,7 @@
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+            "time": "2019-08-06T08:03:45+00:00"
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@@ -4088,82 +4210,6 @@
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@@ -4223,56 +4269,6 @@
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@@ -4418,19 +4414,19 @@
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-                    "homepage": "http://fabien.potencier.org",
-                    "role": "Lead Developer"
+                    "homepage": "http://fabien.potencier.org"
                 },
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                     "name": "Armin Ronacher",
-                    "email": "armin.ronacher@active-4.com",
-                    "role": "Project Founder"
+                    "role": "Project Founder",
+                    "email": "armin.ronacher@active-4.com"
                 },
                 {
                     "name": "Twig Team",
-                    "homepage": "https://twig.symfony.com/contributors",
-                    "role": "Contributors"
+                    "role": "Contributors",
+                    "homepage": "https://twig.symfony.com/contributors"
                 }
             ],
             "description": "Twig, the flexible, fast, and secure template language for PHP",
@@ -5148,8 +5144,8 @@
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                     "name": "Sebastian Bergmann",
-                    "email": "sb@sebastian-bergmann.de",
-                    "role": "lead"
+                    "role": "lead",
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             "description": "Library that provides collection, processing, and rendering functionality for PHP code coverage information.",
@@ -5196,8 +5192,8 @@
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                     "name": "Sebastian Bergmann",
-                    "email": "sb@sebastian-bergmann.de",
-                    "role": "lead"
+                    "role": "lead",
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                 }
             ],
             "description": "FilterIterator implementation that filters files based on a list of suffixes.",
@@ -5238,8 +5234,8 @@
             "authors": [
                 {
                     "name": "Sebastian Bergmann",
-                    "email": "sebastian@phpunit.de",
-                    "role": "lead"
+                    "role": "lead",
+                    "email": "sebastian@phpunit.de"
                 }
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             "description": "Simple template engine.",
@@ -5287,8 +5283,8 @@
             "authors": [
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                     "name": "Sebastian Bergmann",
-                    "email": "sb@sebastian-bergmann.de",
-                    "role": "lead"
+                    "role": "lead",
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             "description": "Utility class for timing",
@@ -5416,8 +5412,8 @@
             "authors": [
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                     "name": "Sebastian Bergmann",
-                    "email": "sebastian@phpunit.de",
-                    "role": "lead"
+                    "role": "lead",
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             "description": "The PHP Unit Testing framework.",
@@ -5994,14 +5990,140 @@
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                     "name": "Sebastian Bergmann",
-                    "email": "sebastian@phpunit.de",
-                    "role": "lead"
+                    "role": "lead",
+                    "email": "sebastian@phpunit.de"
                 }
             ],
             "description": "Library that helps with managing the version number of Git-hosted PHP projects",
             "homepage": "https://github.com/sebastianbergmann/version",
             "time": "2016-10-03T07:35:21+00:00"
         },
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+            "version": "v4.2.5",
+            "source": {
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+                "url": "https://github.com/symfony/var-dumper.git",
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