diff --git a/composer.lock b/composer.lock
index e7a552a..37f6a77 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1,7 +1,7 @@
 {
     "_readme": [
         "This file locks the dependencies of your project to a known state",
-        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
     "content-hash": "5d22a10ef0e9bc3fa61e71aa29b24879",
@@ -304,7 +304,7 @@
             "time": "2015-04-20T18:58:01+00:00"
         },
         {
-            "name": "jeremeamia/SuperClosure",
+            "name": "jeremeamia/superclosure",
             "version": "2.3.0",
             "source": {
                 "type": "git",
@@ -1407,16 +1407,16 @@
         },
         {
             "name": "symfony/http-foundation",
-            "version": "v2.7.41",
+            "version": "v2.7.51",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/http-foundation.git",
-                "reference": "38383ce661cc260dfcd0e4b0b588f3dfa5572fb0"
+                "reference": "b67e5cbd2bf837fb3681f2c4965826d6c6758532"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/http-foundation/zipball/38383ce661cc260dfcd0e4b0b588f3dfa5572fb0",
-                "reference": "38383ce661cc260dfcd0e4b0b588f3dfa5572fb0",
+                "url": "https://api.github.com/repos/symfony/http-foundation/zipball/b67e5cbd2bf837fb3681f2c4965826d6c6758532",
+                "reference": "b67e5cbd2bf837fb3681f2c4965826d6c6758532",
                 "shasum": ""
             },
             "require": {
@@ -1459,7 +1459,7 @@
             ],
             "description": "Symfony HttpFoundation Component",
             "homepage": "https://symfony.com",
-            "time": "2018-01-29T09:18:42+00:00"
+            "time": "2019-04-16T09:58:21+00:00"
         },
         {
             "name": "symfony/http-kernel",
@@ -1546,16 +1546,16 @@
         },
         {
             "name": "symfony/polyfill-mbstring",
-            "version": "v1.7.0",
+            "version": "v1.13.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-mbstring.git",
-                "reference": "78be803ce01e55d3491c1397cf1c64beb9c1b63b"
+                "reference": "7b4aab9743c30be783b73de055d24a39cf4b954f"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/78be803ce01e55d3491c1397cf1c64beb9c1b63b",
-                "reference": "78be803ce01e55d3491c1397cf1c64beb9c1b63b",
+                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/7b4aab9743c30be783b73de055d24a39cf4b954f",
+                "reference": "7b4aab9743c30be783b73de055d24a39cf4b954f",
                 "shasum": ""
             },
             "require": {
@@ -1567,7 +1567,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.7-dev"
+                    "dev-master": "1.13-dev"
                 }
             },
             "autoload": {
@@ -1601,7 +1601,7 @@
                 "portable",
                 "shim"
             ],
-            "time": "2018-01-30T19:27:44+00:00"
+            "time": "2019-11-27T14:18:11+00:00"
         },
         {
             "name": "symfony/polyfill-php56",
@@ -2915,6 +2915,7 @@
                 "mock",
                 "xunit"
             ],
+            "abandoned": true,
             "time": "2015-10-02T06:51:40+00:00"
         },
         {