diff --git a/composer.lock b/composer.lock
index 75badf8..f27fe52 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1,10 +1,9 @@
 {
     "_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"
     ],
-    "hash": "f5ae8d95d5e731a1069c2bf946daa5da",
     "content-hash": "b16cf76dcd99913b862007b20834454e",
     "packages": [
         {
@@ -65,7 +64,7 @@
                 "class",
                 "preload"
             ],
-            "time": "2015-05-26 10:57:51"
+            "time": "2015-05-26T10:57:51+00:00"
         },
         {
             "name": "danielstjules/stringy",
@@ -121,7 +120,7 @@
                 "utility",
                 "utils"
             ],
-            "time": "2015-07-23 00:54:12"
+            "time": "2015-07-23T00:54:12+00:00"
         },
         {
             "name": "dnoegel/php-xdg-base-dir",
@@ -154,7 +153,7 @@
                 "MIT"
             ],
             "description": "implementation of xdg base directory specification for php",
-            "time": "2014-10-24 07:27:01"
+            "time": "2014-10-24T07:27:01+00:00"
         },
         {
             "name": "doctrine/inflector",
@@ -221,7 +220,7 @@
                 "singularize",
                 "string"
             ],
-            "time": "2015-11-06 14:35:42"
+            "time": "2015-11-06T14:35:42+00:00"
         },
         {
             "name": "illuminate/html",
@@ -267,7 +266,7 @@
                     "email": "taylorotwell@gmail.com"
                 }
             ],
-            "time": "2015-01-01 16:31:18"
+            "time": "2015-01-01T16:31:18+00:00"
         },
         {
             "name": "ircmaxell/password-compat",
@@ -309,7 +308,7 @@
                 "hashing",
                 "password"
             ],
-            "time": "2014-11-20 16:49:30"
+            "time": "2014-11-20T16:49:30+00:00"
         },
         {
             "name": "jakub-onderka/php-console-color",
@@ -352,7 +351,7 @@
                     "homepage": "http://www.acci.cz"
                 }
             ],
-            "time": "2014-04-08 15:00:19"
+            "time": "2014-04-08T15:00:19+00:00"
         },
         {
             "name": "jakub-onderka/php-console-highlighter",
@@ -396,7 +395,7 @@
                     "homepage": "http://www.acci.cz/"
                 }
             ],
-            "time": "2015-04-20 18:58:01"
+            "time": "2015-04-20T18:58:01+00:00"
         },
         {
             "name": "jeremeamia/SuperClosure",
@@ -454,7 +453,7 @@
                 "serialize",
                 "tokenizer"
             ],
-            "time": "2015-12-05 17:17:57"
+            "time": "2015-12-05T17:17:57+00:00"
         },
         {
             "name": "laravel/framework",
@@ -580,7 +579,7 @@
                 "framework",
                 "laravel"
             ],
-            "time": "2015-12-04 23:20:49"
+            "time": "2015-12-04T23:20:49+00:00"
         },
         {
             "name": "laravelcollective/html",
@@ -630,7 +629,7 @@
                     "email": "adam@laravelcollective.com"
                 }
             ],
-            "time": "2015-05-06 14:23:37"
+            "time": "2015-05-06T14:23:37+00:00"
         },
         {
             "name": "league/flysystem",
@@ -714,7 +713,7 @@
                 "sftp",
                 "storage"
             ],
-            "time": "2015-12-19 20:16:43"
+            "time": "2015-12-19T20:16:43+00:00"
         },
         {
             "name": "monolog/monolog",
@@ -791,7 +790,7 @@
                 "logging",
                 "psr-3"
             ],
-            "time": "2015-10-14 12:51:02"
+            "time": "2015-10-14T12:51:02+00:00"
         },
         {
             "name": "mtdowling/cron-expression",
@@ -835,7 +834,7 @@
                 "cron",
                 "schedule"
             ],
-            "time": "2015-01-11 23:07:46"
+            "time": "2015-01-11T23:07:46+00:00"
         },
         {
             "name": "nesbot/carbon",
@@ -882,7 +881,7 @@
                 "datetime",
                 "time"
             ],
-            "time": "2015-11-04 20:07:17"
+            "time": "2015-11-04T20:07:17+00:00"
         },
         {
             "name": "nikic/php-parser",
@@ -927,7 +926,7 @@
                 "parser",
                 "php"
             ],
-            "time": "2015-09-19 14:15:08"
+            "time": "2015-09-19T14:15:08+00:00"
         },
         {
             "name": "paragonie/random_compat",
@@ -975,7 +974,7 @@
                 "pseudorandom",
                 "random"
             ],
-            "time": "2016-01-06 13:31:20"
+            "time": "2016-01-06T13:31:20+00:00"
         },
         {
             "name": "psr/log",
@@ -1013,7 +1012,7 @@
                 "psr",
                 "psr-3"
             ],
-            "time": "2012-12-21 11:40:51"
+            "time": "2012-12-21T11:40:51+00:00"
         },
         {
             "name": "psy/psysh",
@@ -1084,27 +1083,28 @@
                 "interactive",
                 "shell"
             ],
-            "time": "2015-03-26 18:43:54"
+            "time": "2015-03-26T18:43:54+00:00"
         },
         {
             "name": "swiftmailer/swiftmailer",
-            "version": "v5.4.1",
+            "version": "v5.4.12",
             "source": {
                 "type": "git",
                 "url": "https://github.com/swiftmailer/swiftmailer.git",
-                "reference": "0697e6aa65c83edf97bb0f23d8763f94e3f11421"
+                "reference": "181b89f18a90f8925ef805f950d47a7190e9b950"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/swiftmailer/swiftmailer/zipball/0697e6aa65c83edf97bb0f23d8763f94e3f11421",
-                "reference": "0697e6aa65c83edf97bb0f23d8763f94e3f11421",
+                "url": "https://api.github.com/repos/swiftmailer/swiftmailer/zipball/181b89f18a90f8925ef805f950d47a7190e9b950",
+                "reference": "181b89f18a90f8925ef805f950d47a7190e9b950",
                 "shasum": ""
             },
             "require": {
                 "php": ">=5.3.3"
             },
             "require-dev": {
-                "mockery/mockery": "~0.9.1,<0.9.4"
+                "mockery/mockery": "~0.9.1",
+                "symfony/phpunit-bridge": "~3.2"
             },
             "type": "library",
             "extra": {
@@ -1131,13 +1131,18 @@
                 }
             ],
             "description": "Swiftmailer, free feature-rich PHP mailer",
-            "homepage": "http://swiftmailer.org",
+            "homepage": "https://swiftmailer.symfony.com",
             "keywords": [
                 "email",
                 "mail",
                 "mailer"
             ],
-            "time": "2015-06-06 14:19:39"
+            "support": {
+                "issues": "https://github.com/swiftmailer/swiftmailer/issues",
+                "source": "https://github.com/swiftmailer/swiftmailer/tree/v5.4.12"
+            },
+            "abandoned": "symfony/mailer",
+            "time": "2018-07-31T09:26:32+00:00"
         },
         {
             "name": "symfony/console",
@@ -1195,7 +1200,7 @@
             ],
             "description": "Symfony Console Component",
             "homepage": "https://symfony.com",
-            "time": "2015-07-26 09:08:40"
+            "time": "2015-07-26T09:08:40+00:00"
         },
         {
             "name": "symfony/debug",
@@ -1256,7 +1261,7 @@
             ],
             "description": "Symfony Debug Component",
             "homepage": "https://symfony.com",
-            "time": "2015-07-08 05:59:48"
+            "time": "2015-07-08T05:59:48+00:00"
         },
         {
             "name": "symfony/event-dispatcher",
@@ -1316,7 +1321,7 @@
             ],
             "description": "Symfony EventDispatcher Component",
             "homepage": "https://symfony.com",
-            "time": "2016-01-13 10:28:07"
+            "time": "2016-01-13T10:28:07+00:00"
         },
         {
             "name": "symfony/filesystem",
@@ -1365,7 +1370,7 @@
             ],
             "description": "Symfony Filesystem Component",
             "homepage": "https://symfony.com",
-            "time": "2016-01-13 10:28:07"
+            "time": "2016-01-13T10:28:07+00:00"
         },
         {
             "name": "symfony/finder",
@@ -1415,7 +1420,7 @@
             ],
             "description": "Symfony Finder Component",
             "homepage": "https://symfony.com",
-            "time": "2015-07-09 16:02:48"
+            "time": "2015-07-09T16:02:48+00:00"
         },
         {
             "name": "symfony/http-foundation",
@@ -1469,7 +1474,7 @@
             ],
             "description": "Symfony HttpFoundation Component",
             "homepage": "https://symfony.com",
-            "time": "2015-07-22 10:08:40"
+            "time": "2015-07-22T10:08:40+00:00"
         },
         {
             "name": "symfony/http-kernel",
@@ -1547,7 +1552,7 @@
             ],
             "description": "Symfony HttpKernel Component",
             "homepage": "https://symfony.com",
-            "time": "2016-01-14 10:11:16"
+            "time": "2016-01-14T10:11:16+00:00"
         },
         {
             "name": "symfony/polyfill-php56",
@@ -1603,7 +1608,7 @@
                 "portable",
                 "shim"
             ],
-            "time": "2015-12-18 15:10:25"
+            "time": "2015-12-18T15:10:25+00:00"
         },
         {
             "name": "symfony/polyfill-util",
@@ -1655,7 +1660,7 @@
                 "polyfill",
                 "shim"
             ],
-            "time": "2015-11-04 20:28:58"
+            "time": "2015-11-04T20:28:58+00:00"
         },
         {
             "name": "symfony/process",
@@ -1705,7 +1710,7 @@
             ],
             "description": "Symfony Process Component",
             "homepage": "https://symfony.com",
-            "time": "2015-06-30 16:10:16"
+            "time": "2015-06-30T16:10:16+00:00"
         },
         {
             "name": "symfony/routing",
@@ -1774,7 +1779,7 @@
                 "uri",
                 "url"
             ],
-            "time": "2015-07-09 16:02:48"
+            "time": "2015-07-09T16:02:48+00:00"
         },
         {
             "name": "symfony/security-core",
@@ -1839,7 +1844,7 @@
             ],
             "description": "Symfony Security Component - Core Library",
             "homepage": "https://symfony.com",
-            "time": "2016-01-14 09:04:34"
+            "time": "2016-01-14T09:04:34+00:00"
         },
         {
             "name": "symfony/translation",
@@ -1898,7 +1903,7 @@
             ],
             "description": "Symfony Translation Component",
             "homepage": "https://symfony.com",
-            "time": "2015-07-08 05:59:48"
+            "time": "2015-07-08T05:59:48+00:00"
         },
         {
             "name": "symfony/var-dumper",
@@ -1958,7 +1963,7 @@
                 "debug",
                 "dump"
             ],
-            "time": "2015-07-01 10:03:42"
+            "time": "2015-07-01T10:03:42+00:00"
         },
         {
             "name": "vlucas/phpdotenv",
@@ -2004,7 +2009,7 @@
                 "env",
                 "environment"
             ],
-            "time": "2015-05-30 15:59:26"
+            "time": "2015-05-30T15:59:26+00:00"
         }
     ],
     "packages-dev": [
@@ -2060,7 +2065,7 @@
                 "constructor",
                 "instantiate"
             ],
-            "time": "2015-06-14 21:17:01"
+            "time": "2015-06-14T21:17:01+00:00"
         },
         {
             "name": "phpdocumentor/reflection-docblock",
@@ -2109,7 +2114,7 @@
                     "email": "mike.vanriel@naenius.com"
                 }
             ],
-            "time": "2015-02-03 12:10:50"
+            "time": "2015-02-03T12:10:50+00:00"
         },
         {
             "name": "phpspec/php-diff",
@@ -2143,7 +2148,7 @@
                 }
             ],
             "description": "A comprehensive library for generating differences between two hashable objects (strings or arrays).",
-            "time": "2013-11-01 13:02:21"
+            "time": "2013-11-01T13:02:21+00:00"
         },
         {
             "name": "phpspec/phpspec",
@@ -2221,7 +2226,7 @@
                 "testing",
                 "tests"
             ],
-            "time": "2016-01-01 10:17:54"
+            "time": "2016-01-01T10:17:54+00:00"
         },
         {
             "name": "phpspec/prophecy",
@@ -2281,7 +2286,7 @@
                 "spy",
                 "stub"
             ],
-            "time": "2015-08-13 10:07:40"
+            "time": "2015-08-13T10:07:40+00:00"
         },
         {
             "name": "phpunit/php-code-coverage",
@@ -2343,7 +2348,7 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2015-10-06 15:47:00"
+            "time": "2015-10-06T15:47:00+00:00"
         },
         {
             "name": "phpunit/php-file-iterator",
@@ -2390,7 +2395,7 @@
                 "filesystem",
                 "iterator"
             ],
-            "time": "2015-06-21 13:08:43"
+            "time": "2015-06-21T13:08:43+00:00"
         },
         {
             "name": "phpunit/php-text-template",
@@ -2431,7 +2436,7 @@
             "keywords": [
                 "template"
             ],
-            "time": "2015-06-21 13:50:34"
+            "time": "2015-06-21T13:50:34+00:00"
         },
         {
             "name": "phpunit/php-timer",
@@ -2472,7 +2477,7 @@
             "keywords": [
                 "timer"
             ],
-            "time": "2015-06-21 08:01:12"
+            "time": "2015-06-21T08:01:12+00:00"
         },
         {
             "name": "phpunit/php-token-stream",
@@ -2521,7 +2526,7 @@
             "keywords": [
                 "tokenizer"
             ],
-            "time": "2015-09-15 10:49:45"
+            "time": "2015-09-15T10:49:45+00:00"
         },
         {
             "name": "phpunit/phpunit",
@@ -2593,7 +2598,7 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2015-12-12 07:45:58"
+            "time": "2015-12-12T07:45:58+00:00"
         },
         {
             "name": "phpunit/phpunit-mock-objects",
@@ -2649,7 +2654,7 @@
                 "mock",
                 "xunit"
             ],
-            "time": "2015-10-02 06:51:40"
+            "time": "2015-10-02T06:51:40+00:00"
         },
         {
             "name": "sebastian/comparator",
@@ -2713,7 +2718,7 @@
                 "compare",
                 "equality"
             ],
-            "time": "2015-07-26 15:48:44"
+            "time": "2015-07-26T15:48:44+00:00"
         },
         {
             "name": "sebastian/diff",
@@ -2765,7 +2770,7 @@
             "keywords": [
                 "diff"
             ],
-            "time": "2015-12-08 07:14:41"
+            "time": "2015-12-08T07:14:41+00:00"
         },
         {
             "name": "sebastian/environment",
@@ -2815,7 +2820,7 @@
                 "environment",
                 "hhvm"
             ],
-            "time": "2015-12-02 08:37:27"
+            "time": "2015-12-02T08:37:27+00:00"
         },
         {
             "name": "sebastian/exporter",
@@ -2881,7 +2886,7 @@
                 "export",
                 "exporter"
             ],
-            "time": "2015-06-21 07:55:53"
+            "time": "2015-06-21T07:55:53+00:00"
         },
         {
             "name": "sebastian/global-state",
@@ -2932,7 +2937,7 @@
             "keywords": [
                 "global state"
             ],
-            "time": "2015-10-12 03:26:01"
+            "time": "2015-10-12T03:26:01+00:00"
         },
         {
             "name": "sebastian/recursion-context",
@@ -2985,7 +2990,7 @@
             ],
             "description": "Provides functionality to recursively process PHP variables",
             "homepage": "http://www.github.com/sebastianbergmann/recursion-context",
-            "time": "2015-11-11 19:50:13"
+            "time": "2015-11-11T19:50:13+00:00"
         },
         {
             "name": "sebastian/version",
@@ -3020,7 +3025,7 @@
             ],
             "description": "Library that helps with managing the version number of Git-hosted PHP projects",
             "homepage": "https://github.com/sebastianbergmann/version",
-            "time": "2015-06-21 13:59:46"
+            "time": "2015-06-21T13:59:46+00:00"
         },
         {
             "name": "symfony/yaml",
@@ -3069,7 +3074,7 @@
             ],
             "description": "Symfony Yaml Component",
             "homepage": "https://symfony.com",
-            "time": "2015-12-26 13:39:53"
+            "time": "2015-12-26T13:39:53+00:00"
         }
     ],
     "aliases": [],
@@ -3078,5 +3083,6 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": [],
-    "platform-dev": []
+    "platform-dev": [],
+    "plugin-api-version": "2.6.0"
 }