diff --git a/composer.lock b/composer.lock
index 7d37bc9..11f83b8 100644
--- a/composer.lock
+++ b/composer.lock
@@ -293,6 +293,52 @@
             "description": "A collection of traits to make life with PHP easier",
             "time": "2017-12-02T23:09:03+00:00"
         },
+        {
+            "name": "psr/cache",
+            "version": "1.0.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/php-fig/cache.git",
+                "reference": "d11b50ad223250cf17b86e38383413f5a6764bf8"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/php-fig/cache/zipball/d11b50ad223250cf17b86e38383413f5a6764bf8",
+                "reference": "d11b50ad223250cf17b86e38383413f5a6764bf8",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Psr\\Cache\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "PHP-FIG",
+                    "homepage": "http://www.php-fig.org/"
+                }
+            ],
+            "description": "Common interface for caching libraries",
+            "keywords": [
+                "cache",
+                "psr",
+                "psr-6"
+            ],
+            "time": "2016-08-06T20:24:11+00:00"
+        },
         {
             "name": "psr/container",
             "version": "1.0.0",
@@ -503,26 +549,30 @@
         },
         {
             "name": "symfony/console",
-            "version": "v4.0.8",
+            "version": "v4.2.10",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/console.git",
-                "reference": "aad9a6fe47319f22748fd764f52d3a7ca6fa6b64"
+                "reference": "79860cda331a2edb497c72ee487ed75c484ab75e"
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-                "reference": "aad9a6fe47319f22748fd764f52d3a7ca6fa6b64",
+                "url": "https://api.github.com/repos/symfony/console/zipball/79860cda331a2edb497c72ee487ed75c484ab75e",
+                "reference": "79860cda331a2edb497c72ee487ed75c484ab75e",
                 "shasum": ""
             },
             "require": {
                 "php": "^7.1.3",
+                "symfony/contracts": "^1.0",
                 "symfony/polyfill-mbstring": "~1.0"
             },
             "conflict": {
                 "symfony/dependency-injection": "<3.4",
                 "symfony/process": "<3.3"
             },
+            "provide": {
+                "psr/log-implementation": "1.0"
+            },
             "require-dev": {
                 "psr/log": "~1.0",
                 "symfony/config": "~3.4|~4.0",
@@ -540,7 +590,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "4.0-dev"
+                    "dev-master": "4.2-dev"
                 }
             },
             "autoload": {
@@ -567,7 +617,84 @@
             ],
             "description": "Symfony Console Component",
             "homepage": "https://symfony.com",
-            "time": "2018-04-03T05:24:00+00:00"
+            "time": "2019-06-13T10:57:15+00:00"
+        },
+        {
+            "name": "symfony/contracts",
+            "version": "v1.1.5",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/contracts.git",
+                "reference": "3f3f796d5f24a098a9da62828b8daa1b11494c1b"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/contracts/zipball/3f3f796d5f24a098a9da62828b8daa1b11494c1b",
+                "reference": "3f3f796d5f24a098a9da62828b8daa1b11494c1b",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.1.3",
+                "psr/cache": "^1.0",
+                "psr/container": "^1.0"
+            },
+            "replace": {
+                "symfony/cache-contracts": "self.version",
+                "symfony/event-dispatcher-contracts": "self.version",
+                "symfony/http-client-contracts": "self.version",
+                "symfony/service-contracts": "self.version",
+                "symfony/translation-contracts": "self.version"
+            },
+            "require-dev": {
+                "symfony/polyfill-intl-idn": "^1.10"
+            },
+            "suggest": {
+                "psr/event-dispatcher": "When using the EventDispatcher contracts",
+                "symfony/cache-implementation": "",
+                "symfony/event-dispatcher-implementation": "",
+                "symfony/http-client-implementation": "",
+                "symfony/service-implementation": "",
+                "symfony/translation-implementation": ""
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.1-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Contracts\\": ""
+                },
+                "exclude-from-classmap": [
+                    "**/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "A set of abstractions extracted out of the Symfony components",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "abstractions",
+                "contracts",
+                "decoupling",
+                "interfaces",
+                "interoperability",
+                "standards"
+            ],
+            "time": "2019-06-20T06:46:26+00:00"
         },
         {
             "name": "symfony/debug",
@@ -949,16 +1076,16 @@
         },
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             "name": "symfony/polyfill-mbstring",
-            "version": "v1.7.0",
+            "version": "v1.11.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-mbstring.git",
-                "reference": "78be803ce01e55d3491c1397cf1c64beb9c1b63b"
+                "reference": "fe5e94c604826c35a32fa832f35bd036b6799609"
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             "dist": {
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-                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/78be803ce01e55d3491c1397cf1c64beb9c1b63b",
-                "reference": "78be803ce01e55d3491c1397cf1c64beb9c1b63b",
+                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/fe5e94c604826c35a32fa832f35bd036b6799609",
+                "reference": "fe5e94c604826c35a32fa832f35bd036b6799609",
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             "require": {
@@ -970,7 +1097,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.7-dev"
+                    "dev-master": "1.11-dev"
                 }
             },
             "autoload": {
@@ -1004,7 +1131,7 @@
                 "portable",
                 "shim"
             ],
-            "time": "2018-01-30T19:27:44+00:00"
+            "time": "2019-02-06T07:57:58+00:00"
         },
         {
             "name": "symfony/yaml",
@@ -1768,6 +1895,7 @@
                 "mock",
                 "xunit"
             ],
+            "abandoned": true,
             "time": "2017-06-30T09:13:00+00:00"
         },
         {
@@ -1851,6 +1979,7 @@
                 "github",
                 "test"
             ],
+            "abandoned": "php-coveralls/php-coveralls",
             "time": "2017-12-08T14:28:16+00:00"
         },
         {