diff --git a/composer.lock b/composer.lock
index 761cb38..321e2cf 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": "17305a6dd494a69fabd54bf6e8fffe9d",
     "content-hash": "8590ceeb93631fa1815928de23258a58",
     "packages": [
         {
@@ -59,7 +58,7 @@
                 "class",
                 "preload"
             ],
-            "time": "2015-11-09 22:51:51"
+            "time": "2015-11-09T22:51:51+00:00"
         },
         {
             "name": "dnoegel/php-xdg-base-dir",
@@ -92,7 +91,7 @@
                 "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",
@@ -159,7 +158,7 @@
                 "singularize",
                 "string"
             ],
-            "time": "2015-11-06 14:35:42"
+            "time": "2015-11-06T14:35:42+00:00"
         },
         {
             "name": "jakub-onderka/php-console-color",
@@ -202,7 +201,7 @@
                     "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",
@@ -246,7 +245,7 @@
                     "homepage": "http://www.acci.cz/"
                 }
             ],
-            "time": "2015-04-20 18:58:01"
+            "time": "2015-04-20T18:58:01+00:00"
         },
         {
             "name": "jeremeamia/SuperClosure",
@@ -304,7 +303,7 @@
                 "serialize",
                 "tokenizer"
             ],
-            "time": "2015-12-05 17:17:57"
+            "time": "2015-12-05T17:17:57+00:00"
         },
         {
             "name": "laravel/framework",
@@ -430,7 +429,7 @@
                 "framework",
                 "laravel"
             ],
-            "time": "2016-08-02 13:25:30"
+            "time": "2016-08-02T13:25:30+00:00"
         },
         {
             "name": "league/flysystem",
@@ -513,7 +512,7 @@
                 "sftp",
                 "storage"
             ],
-            "time": "2016-07-18 12:22:57"
+            "time": "2016-07-18T12:22:57+00:00"
         },
         {
             "name": "monolog/monolog",
@@ -591,7 +590,7 @@
                 "logging",
                 "psr-3"
             ],
-            "time": "2016-07-29 03:23:52"
+            "time": "2016-07-29T03:23:52+00:00"
         },
         {
             "name": "mtdowling/cron-expression",
@@ -635,7 +634,7 @@
                 "cron",
                 "schedule"
             ],
-            "time": "2016-01-26 21:23:30"
+            "time": "2016-01-26T21:23:30+00:00"
         },
         {
             "name": "nesbot/carbon",
@@ -682,7 +681,7 @@
                 "datetime",
                 "time"
             ],
-            "time": "2015-11-04 20:07:17"
+            "time": "2015-11-04T20:07:17+00:00"
         },
         {
             "name": "nikic/php-parser",
@@ -733,7 +732,7 @@
                 "parser",
                 "php"
             ],
-            "time": "2016-04-19 13:41:41"
+            "time": "2016-04-19T13:41:41+00:00"
         },
         {
             "name": "paragonie/random_compat",
@@ -781,7 +780,7 @@
                 "pseudorandom",
                 "random"
             ],
-            "time": "2016-04-03 06:00:07"
+            "time": "2016-04-03T06:00:07+00:00"
         },
         {
             "name": "psr/log",
@@ -819,7 +818,7 @@
                 "psr",
                 "psr-3"
             ],
-            "time": "2012-12-21 11:40:51"
+            "time": "2012-12-21T11:40:51+00:00"
         },
         {
             "name": "psy/psysh",
@@ -891,27 +890,28 @@
                 "interactive",
                 "shell"
             ],
-            "time": "2016-03-09 05:03:14"
+            "time": "2016-03-09T05:03:14+00:00"
         },
         {
             "name": "swiftmailer/swiftmailer",
-            "version": "v5.4.3",
+            "version": "v5.4.12",
             "source": {
                 "type": "git",
                 "url": "https://github.com/swiftmailer/swiftmailer.git",
-                "reference": "4cc92842069c2bbc1f28daaaf1d2576ec4dfe153"
+                "reference": "181b89f18a90f8925ef805f950d47a7190e9b950"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/swiftmailer/swiftmailer/zipball/4cc92842069c2bbc1f28daaaf1d2576ec4dfe153",
-                "reference": "4cc92842069c2bbc1f28daaaf1d2576ec4dfe153",
+                "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"
+                "mockery/mockery": "~0.9.1",
+                "symfony/phpunit-bridge": "~3.2"
             },
             "type": "library",
             "extra": {
@@ -938,13 +938,18 @@
                 }
             ],
             "description": "Swiftmailer, free feature-rich PHP mailer",
-            "homepage": "http://swiftmailer.org",
+            "homepage": "https://swiftmailer.symfony.com",
             "keywords": [
                 "email",
                 "mail",
                 "mailer"
             ],
-            "time": "2016-07-08 11:51:25"
+            "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",
@@ -1004,7 +1009,7 @@
             ],
             "description": "Symfony Console Component",
             "homepage": "https://symfony.com",
-            "time": "2016-07-26 08:04:17"
+            "time": "2016-07-26T08:04:17+00:00"
         },
         {
             "name": "symfony/debug",
@@ -1061,7 +1066,7 @@
             ],
             "description": "Symfony Debug Component",
             "homepage": "https://symfony.com",
-            "time": "2016-07-26 08:04:17"
+            "time": "2016-07-26T08:04:17+00:00"
         },
         {
             "name": "symfony/event-dispatcher",
@@ -1121,7 +1126,7 @@
             ],
             "description": "Symfony EventDispatcher Component",
             "homepage": "https://symfony.com",
-            "time": "2016-07-19 10:45:57"
+            "time": "2016-07-19T10:45:57+00:00"
         },
         {
             "name": "symfony/finder",
@@ -1170,7 +1175,7 @@
             ],
             "description": "Symfony Finder Component",
             "homepage": "https://symfony.com",
-            "time": "2016-06-29 05:41:56"
+            "time": "2016-06-29T05:41:56+00:00"
         },
         {
             "name": "symfony/http-foundation",
@@ -1223,7 +1228,7 @@
             ],
             "description": "Symfony HttpFoundation Component",
             "homepage": "https://symfony.com",
-            "time": "2016-07-17 14:02:08"
+            "time": "2016-07-17T14:02:08+00:00"
         },
         {
             "name": "symfony/http-kernel",
@@ -1305,7 +1310,7 @@
             ],
             "description": "Symfony HttpKernel Component",
             "homepage": "https://symfony.com",
-            "time": "2016-07-30 09:30:46"
+            "time": "2016-07-30T09:30:46+00:00"
         },
         {
             "name": "symfony/polyfill-mbstring",
@@ -1364,7 +1369,7 @@
                 "portable",
                 "shim"
             ],
-            "time": "2016-05-18 14:26:46"
+            "time": "2016-05-18T14:26:46+00:00"
         },
         {
             "name": "symfony/polyfill-php56",
@@ -1420,7 +1425,7 @@
                 "portable",
                 "shim"
             ],
-            "time": "2016-05-18 14:26:46"
+            "time": "2016-05-18T14:26:46+00:00"
         },
         {
             "name": "symfony/polyfill-util",
@@ -1472,7 +1477,7 @@
                 "polyfill",
                 "shim"
             ],
-            "time": "2016-05-18 14:26:46"
+            "time": "2016-05-18T14:26:46+00:00"
         },
         {
             "name": "symfony/process",
@@ -1521,7 +1526,7 @@
             ],
             "description": "Symfony Process Component",
             "homepage": "https://symfony.com",
-            "time": "2016-07-28 11:13:48"
+            "time": "2016-07-28T11:13:48+00:00"
         },
         {
             "name": "symfony/routing",
@@ -1596,7 +1601,7 @@
                 "uri",
                 "url"
             ],
-            "time": "2016-06-29 05:41:56"
+            "time": "2016-06-29T05:41:56+00:00"
         },
         {
             "name": "symfony/translation",
@@ -1660,7 +1665,7 @@
             ],
             "description": "Symfony Translation Component",
             "homepage": "https://symfony.com",
-            "time": "2016-07-26 08:04:17"
+            "time": "2016-07-26T08:04:17+00:00"
         },
         {
             "name": "symfony/var-dumper",
@@ -1723,7 +1728,7 @@
                 "debug",
                 "dump"
             ],
-            "time": "2016-07-26 08:04:17"
+            "time": "2016-07-26T08:04:17+00:00"
         },
         {
             "name": "vlucas/phpdotenv",
@@ -1773,7 +1778,7 @@
                 "env",
                 "environment"
             ],
-            "time": "2016-06-14 14:14:52"
+            "time": "2016-06-14T14:14:52+00:00"
         }
     ],
     "packages-dev": [
@@ -1829,7 +1834,7 @@
                 "constructor",
                 "instantiate"
             ],
-            "time": "2015-06-14 21:17:01"
+            "time": "2015-06-14T21:17:01+00:00"
         },
         {
             "name": "fzaninotto/faker",
@@ -1877,7 +1882,7 @@
                 "faker",
                 "fixtures"
             ],
-            "time": "2016-04-29 12:21:54"
+            "time": "2016-04-29T12:21:54+00:00"
         },
         {
             "name": "hamcrest/hamcrest-php",
@@ -1922,7 +1927,7 @@
             "keywords": [
                 "test"
             ],
-            "time": "2015-05-11 14:41:42"
+            "time": "2015-05-11T14:41:42+00:00"
         },
         {
             "name": "mockery/mockery",
@@ -1987,7 +1992,7 @@
                 "test double",
                 "testing"
             ],
-            "time": "2016-05-22 21:52:33"
+            "time": "2016-05-22T21:52:33+00:00"
         },
         {
             "name": "myclabs/deep-copy",
@@ -2029,7 +2034,7 @@
                 "object",
                 "object graph"
             ],
-            "time": "2015-11-20 12:04:31"
+            "time": "2015-11-20T12:04:31+00:00"
         },
         {
             "name": "phpdocumentor/reflection-common",
@@ -2083,7 +2088,7 @@
                 "reflection",
                 "static analysis"
             ],
-            "time": "2015-12-27 11:43:31"
+            "time": "2015-12-27T11:43:31+00:00"
         },
         {
             "name": "phpdocumentor/reflection-docblock",
@@ -2128,7 +2133,7 @@
                 }
             ],
             "description": "With this component, a library can provide support for annotations via DocBlocks or otherwise retrieve information that is embedded in a DocBlock.",
-            "time": "2016-06-10 09:48:41"
+            "time": "2016-06-10T09:48:41+00:00"
         },
         {
             "name": "phpdocumentor/type-resolver",
@@ -2175,7 +2180,7 @@
                     "email": "me@mikevanriel.com"
                 }
             ],
-            "time": "2016-06-10 07:14:17"
+            "time": "2016-06-10T07:14:17+00:00"
         },
         {
             "name": "phpspec/prophecy",
@@ -2237,7 +2242,7 @@
                 "spy",
                 "stub"
             ],
-            "time": "2016-06-07 08:13:47"
+            "time": "2016-06-07T08:13:47+00:00"
         },
         {
             "name": "phpunit/php-code-coverage",
@@ -2300,7 +2305,7 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2016-07-26 14:39:29"
+            "time": "2016-07-26T14:39:29+00:00"
         },
         {
             "name": "phpunit/php-file-iterator",
@@ -2347,7 +2352,7 @@
                 "filesystem",
                 "iterator"
             ],
-            "time": "2015-06-21 13:08:43"
+            "time": "2015-06-21T13:08:43+00:00"
         },
         {
             "name": "phpunit/php-text-template",
@@ -2388,7 +2393,7 @@
             "keywords": [
                 "template"
             ],
-            "time": "2015-06-21 13:50:34"
+            "time": "2015-06-21T13:50:34+00:00"
         },
         {
             "name": "phpunit/php-timer",
@@ -2432,7 +2437,7 @@
             "keywords": [
                 "timer"
             ],
-            "time": "2016-05-12 18:03:57"
+            "time": "2016-05-12T18:03:57+00:00"
         },
         {
             "name": "phpunit/php-token-stream",
@@ -2481,7 +2486,7 @@
             "keywords": [
                 "tokenizer"
             ],
-            "time": "2015-09-15 10:49:45"
+            "time": "2015-09-15T10:49:45+00:00"
         },
         {
             "name": "phpunit/phpunit",
@@ -2559,7 +2564,7 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2016-07-26 14:48:00"
+            "time": "2016-07-26T14:48:00+00:00"
         },
         {
             "name": "phpunit/phpunit-mock-objects",
@@ -2618,7 +2623,7 @@
                 "mock",
                 "xunit"
             ],
-            "time": "2016-06-12 07:37:26"
+            "time": "2016-06-12T07:37:26+00:00"
         },
         {
             "name": "sebastian/code-unit-reverse-lookup",
@@ -2663,7 +2668,7 @@
             ],
             "description": "Looks up which function or method a line of code belongs to",
             "homepage": "https://github.com/sebastianbergmann/code-unit-reverse-lookup/",
-            "time": "2016-02-13 06:45:14"
+            "time": "2016-02-13T06:45:14+00:00"
         },
         {
             "name": "sebastian/comparator",
@@ -2727,7 +2732,7 @@
                 "compare",
                 "equality"
             ],
-            "time": "2015-07-26 15:48:44"
+            "time": "2015-07-26T15:48:44+00:00"
         },
         {
             "name": "sebastian/diff",
@@ -2779,7 +2784,7 @@
             "keywords": [
                 "diff"
             ],
-            "time": "2015-12-08 07:14:41"
+            "time": "2015-12-08T07:14:41+00:00"
         },
         {
             "name": "sebastian/environment",
@@ -2829,7 +2834,7 @@
                 "environment",
                 "hhvm"
             ],
-            "time": "2016-05-17 03:18:57"
+            "time": "2016-05-17T03:18:57+00:00"
         },
         {
             "name": "sebastian/exporter",
@@ -2896,7 +2901,7 @@
                 "export",
                 "exporter"
             ],
-            "time": "2016-06-17 09:04:28"
+            "time": "2016-06-17T09:04:28+00:00"
         },
         {
             "name": "sebastian/global-state",
@@ -2947,7 +2952,7 @@
             "keywords": [
                 "global state"
             ],
-            "time": "2015-10-12 03:26:01"
+            "time": "2015-10-12T03:26:01+00:00"
         },
         {
             "name": "sebastian/object-enumerator",
@@ -2993,7 +2998,7 @@
             ],
             "description": "Traverses array structures and object graphs to enumerate all referenced objects",
             "homepage": "https://github.com/sebastianbergmann/object-enumerator/",
-            "time": "2016-01-28 13:25:10"
+            "time": "2016-01-28T13:25:10+00:00"
         },
         {
             "name": "sebastian/recursion-context",
@@ -3046,7 +3051,7 @@
             ],
             "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/resource-operations",
@@ -3088,7 +3093,7 @@
             ],
             "description": "Provides a list of PHP built-in functions that operate on resources",
             "homepage": "https://www.github.com/sebastianbergmann/resource-operations",
-            "time": "2015-07-28 20:34:47"
+            "time": "2015-07-28T20:34:47+00:00"
         },
         {
             "name": "sebastian/version",
@@ -3131,7 +3136,7 @@
             ],
             "description": "Library that helps with managing the version number of Git-hosted PHP projects",
             "homepage": "https://github.com/sebastianbergmann/version",
-            "time": "2016-02-04 12:56:52"
+            "time": "2016-02-04T12:56:52+00:00"
         },
         {
             "name": "symfony/css-selector",
@@ -3184,7 +3189,7 @@
             ],
             "description": "Symfony CssSelector Component",
             "homepage": "https://symfony.com",
-            "time": "2016-06-29 05:41:56"
+            "time": "2016-06-29T05:41:56+00:00"
         },
         {
             "name": "symfony/dom-crawler",
@@ -3240,7 +3245,7 @@
             ],
             "description": "Symfony DomCrawler Component",
             "homepage": "https://symfony.com",
-            "time": "2016-07-26 08:04:17"
+            "time": "2016-07-26T08:04:17+00:00"
         },
         {
             "name": "symfony/yaml",
@@ -3289,7 +3294,7 @@
             ],
             "description": "Symfony Yaml Component",
             "homepage": "https://symfony.com",
-            "time": "2016-07-17 14:02:08"
+            "time": "2016-07-17T14:02:08+00:00"
         },
         {
             "name": "webmozart/assert",
@@ -3338,7 +3343,7 @@
                 "check",
                 "validate"
             ],
-            "time": "2015-08-24 13:29:44"
+            "time": "2015-08-24T13:29:44+00:00"
         }
     ],
     "aliases": [],
@@ -3349,5 +3354,6 @@
     "platform": {
         "php": ">=5.6.4"
     },
-    "platform-dev": []
+    "platform-dev": [],
+    "plugin-api-version": "2.6.0"
 }