diff --git a/composer.lock b/composer.lock
index 39ef3c2..e834d5c 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": "622b5eb21a888ce4d94e2f733a04f2c3",
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     "packages": [
         {
@@ -51,7 +50,7 @@
                 "ecommerce",
                 "payment"
             ],
-            "time": "2016-12-03 15:45:27"
+            "time": "2016-12-03T15:45:27+00:00"
         },
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@@ -100,7 +99,7 @@
                 "stream_filter_append",
                 "stream_filter_register"
             ],
-            "time": "2015-11-08 23:41:30"
+            "time": "2015-11-08T23:41:30+00:00"
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             "name": "cocur/slugify",
@@ -164,7 +163,7 @@
                 "slug",
                 "slugify"
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-            "time": "2017-03-23 21:52:55"
+            "time": "2017-03-23T21:52:55+00:00"
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@@ -224,7 +223,7 @@
                 "payum",
                 "redsys"
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-            "time": "2016-02-05 14:58:23"
+            "time": "2016-02-05T14:58:23+00:00"
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@@ -283,7 +282,7 @@
                 "security",
                 "symmetric key cryptography"
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-            "time": "2016-10-10 15:20:26"
+            "time": "2016-10-10T15:20:26+00:00"
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@@ -351,20 +350,20 @@
                 "docblock",
                 "parser"
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-            "time": "2017-02-24 16:22:25"
+            "time": "2017-02-24T16:22:25+00:00"
         },
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-            "version": "v1.6.1",
+            "version": "v1.6.2",
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                 "url": "https://github.com/doctrine/cache.git",
-                "reference": "b6f544a20f4807e81f7044d31e679ccbb1866dc3"
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@@ -421,7 +420,7 @@
                 "cache",
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-            "time": "2016-10-29 11:16:17"
+            "time": "2017-07-22T12:49:21+00:00"
         },
         {
             "name": "doctrine/collections",
@@ -488,20 +487,20 @@
                 "collections",
                 "iterator"
             ],
-            "time": "2017-01-03 10:49:41"
+            "time": "2017-01-03T10:49:41+00:00"
         },
         {
             "name": "doctrine/common",
-            "version": "v2.7.2",
+            "version": "v2.7.3",
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                 "type": "git",
                 "url": "https://github.com/doctrine/common.git",
-                "reference": "930297026c8009a567ac051fd545bf6124150347"
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@@ -561,7 +560,7 @@
                 "persistence",
                 "spl"
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-            "time": "2017-01-13 14:02:13"
+            "time": "2017-07-22T08:35:12+00:00"
         },
         {
             "name": "doctrine/dbal",
@@ -632,7 +631,7 @@
                 "persistence",
                 "queryobject"
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-            "time": "2017-02-08 12:53:47"
+            "time": "2017-02-08T12:53:47+00:00"
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             "name": "doctrine/doctrine-bundle",
@@ -713,7 +712,7 @@
                 "orm",
                 "persistence"
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-            "time": "2017-01-16 12:01:26"
+            "time": "2017-01-16T12:01:26+00:00"
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@@ -801,7 +800,7 @@
                 "cache",
                 "caching"
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-            "time": "2016-01-26 17:28:51"
+            "time": "2016-01-26T17:28:51+00:00"
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@@ -868,7 +867,7 @@
                 "singularize",
                 "string"
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-            "time": "2015-11-06 14:35:42"
+            "time": "2015-11-06T14:35:42+00:00"
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             "name": "doctrine/instantiator",
@@ -922,25 +921,28 @@
                 "constructor",
                 "instantiate"
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-            "time": "2015-06-14 21:17:01"
+            "time": "2015-06-14T21:17:01+00:00"
         },
         {
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-            "version": "v1.0.1",
+            "version": "1.0.2",
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                 "url": "https://github.com/doctrine/lexer.git",
-                "reference": "83893c552fd2045dd78aef794c31e694c37c0b8c"
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+            "require-dev": {
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+            },
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@@ -948,8 +950,8 @@
                 }
             },
             "autoload": {
-                "psr-0": {
-                    "Doctrine\\Common\\Lexer\\": "lib/"
+                "psr-4": {
+                    "Doctrine\\Common\\Lexer\\": "lib/Doctrine/Common/Lexer"
                 }
             },
             "notification-url": "https://packagist.org/downloads/",
@@ -970,13 +972,16 @@
                     "email": "schmittjoh@gmail.com"
                 }
             ],
-            "description": "Base library for a lexer that can be used in Top-Down, Recursive Descent Parsers.",
-            "homepage": "http://www.doctrine-project.org",
+            "description": "PHP Doctrine Lexer parser library that can be used in Top-Down, Recursive Descent Parsers.",
+            "homepage": "https://www.doctrine-project.org/projects/lexer.html",
             "keywords": [
+                "annotations",
+                "docblock",
                 "lexer",
-                "parser"
+                "parser",
+                "php"
             ],
-            "time": "2014-09-09 13:34:57"
+            "time": "2019-06-08T11:03:04+00:00"
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             "name": "doctrine/mongodb",
@@ -1053,7 +1058,7 @@
                 "mongodb",
                 "persistence"
             ],
-            "time": "2016-11-22 19:01:59"
+            "time": "2016-11-22T19:01:59+00:00"
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@@ -1137,7 +1142,7 @@
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                 "persistence"
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-            "time": "2017-03-27 18:02:34"
+            "time": "2017-03-27T18:02:34+00:00"
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@@ -1210,19 +1215,19 @@
                 "persistence",
                 "symfony"
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-            "time": "2016-12-08 07:05:40"
+            "time": "2016-12-08T07:05:40+00:00"
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             "version": "v2.5.6",
             "source": {
                 "type": "git",
-                "url": "https://github.com/doctrine/doctrine2.git",
+                "url": "https://github.com/doctrine/orm.git",
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@@ -1286,7 +1291,7 @@
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@@ -1318,7 +1323,7 @@
             ],
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             "homepage": "http://developers.klarna.com",
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+            "time": "2015-09-03T08:23:32+00:00"
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@@ -1371,7 +1376,7 @@
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                 "xsd"
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@@ -1467,7 +1472,7 @@
                 "web service"
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-            "time": "2015-03-18 18:23:50"
+            "time": "2015-03-18T18:23:50+00:00"
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@@ -1529,7 +1534,7 @@
                 "rest",
                 "web service"
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-            "time": "2017-02-28 22:50:30"
+            "time": "2017-02-28T22:50:30+00:00"
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@@ -1580,7 +1585,7 @@
             "keywords": [
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+            "time": "2016-12-20T10:07:11+00:00"
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@@ -1645,7 +1650,7 @@
                 "uri",
                 "url"
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-            "time": "2017-03-20 17:10:46"
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@@ -1696,7 +1701,7 @@
             "keywords": [
                 "parameters management"
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@@ -1738,7 +1743,7 @@
                 "hashing",
                 "password"
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-            "time": "2014-11-20 16:49:30"
+            "time": "2014-11-20T16:49:30+00:00"
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             "name": "jdorn/sql-formatter",
@@ -1788,7 +1793,7 @@
                 "highlight",
                 "sql"
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@@ -1850,7 +1855,7 @@
                 "domain parsing",
                 "url parsing"
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-            "time": "2015-03-30 12:49:45"
+            "time": "2015-03-30T12:49:45+00:00"
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             "name": "jms/metadata",
@@ -1901,7 +1906,7 @@
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                 "yaml"
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-            "time": "2016-12-05 10:18:33"
+            "time": "2016-12-05T10:18:33+00:00"
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@@ -1936,7 +1941,7 @@
                 "Apache2"
             ],
             "description": "A library for easily creating recursive-descent parsers.",
-            "time": "2012-11-18 18:08:43"
+            "time": "2012-11-18T18:08:43+00:00"
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@@ -2019,7 +2024,7 @@
             "keywords": [
                 "payment"
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-            "time": "2017-01-22 17:49:09"
+            "time": "2017-01-22T17:49:09+00:00"
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@@ -2072,7 +2077,7 @@
                 "payment",
                 "paypal"
             ],
-            "time": "2016-10-09 15:02:44"
+            "time": "2016-10-09T15:02:44+00:00"
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@@ -2151,7 +2156,7 @@
                 "serialization",
                 "xml"
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-            "time": "2017-03-24 13:11:23"
+            "time": "2017-03-24T13:11:23+00:00"
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@@ -2189,7 +2194,8 @@
             ],
             "description": "Wrapper for the Klarna Checkout API",
             "homepage": "http://developers.klarna.com",
-            "time": "2015-06-11 12:26:37"
+            "abandoned": "klarna/kco_rest",
+            "time": "2015-06-11T12:26:37+00:00"
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         {
             "name": "knplabs/knp-menu",
@@ -2237,12 +2243,12 @@
             ],
             "authors": [
                 {
-                    "name": "Christophe Coevoet",
-                    "email": "stof@notk.org"
+                    "name": "KnpLabs",
+                    "homepage": "http://knplabs.com"
                 },
                 {
-                    "name": "Knplabs",
-                    "homepage": "http://knplabs.com"
+                    "name": "Christophe Coevoet",
+                    "email": "stof@notk.org"
                 },
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                     "name": "Symfony Community",
@@ -2255,7 +2261,7 @@
                 "menu",
                 "tree"
             ],
-            "time": "2016-09-22 07:36:19"
+            "time": "2016-09-22T07:36:19+00:00"
         },
         {
             "name": "knplabs/knp-menu-bundle",
@@ -2312,7 +2318,7 @@
             "keywords": [
                 "menu"
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-            "time": "2016-09-22 12:24:40"
+            "time": "2016-09-22T12:24:40+00:00"
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@@ -2389,7 +2395,7 @@
                 "compression",
                 "minification"
             ],
-            "time": "2016-11-11 18:43:20"
+            "time": "2016-11-11T18:43:20+00:00"
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         {
             "name": "league/uri",
@@ -2457,7 +2463,7 @@
                 "url",
                 "ws"
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-            "time": "2016-12-12 11:36:42"
+            "time": "2016-12-12T11:36:42+00:00"
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@@ -2535,7 +2541,7 @@
                 "logging",
                 "psr-3"
             ],
-            "time": "2017-03-13 07:08:03"
+            "time": "2017-03-13T07:08:03+00:00"
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             "name": "omnipay/common",
@@ -2633,7 +2639,7 @@
                 "payment",
                 "purchase"
             ],
-            "time": "2016-11-07 06:10:23"
+            "time": "2016-11-07T06:10:23+00:00"
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         {
             "name": "omnipay/paypal",
@@ -2691,7 +2697,7 @@
                 "paypal",
                 "purchase"
             ],
-            "time": "2016-12-22 12:35:25"
+            "time": "2016-12-22T12:35:25+00:00"
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@@ -2748,20 +2754,20 @@
                 "payment",
                 "stripe"
             ],
-            "time": "2016-12-15 09:42:45"
+            "time": "2016-12-15T09:42:45+00:00"
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-            "version": "v2.0.10",
+            "version": "v2.0.18",
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                 "url": "https://github.com/paragonie/random_compat.git",
-                "reference": "634bae8e911eefa89c1abfbf1b66da679ac8f54d"
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-                "reference": "634bae8e911eefa89c1abfbf1b66da679ac8f54d",
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             "require": {
@@ -2793,10 +2799,11 @@
             "description": "PHP 5.x polyfill for random_bytes() and random_int() from PHP 7",
             "keywords": [
                 "csprng",
+                "polyfill",
                 "pseudorandom",
                 "random"
             ],
-            "time": "2017-03-13 16:27:32"
+            "time": "2019-01-03T20:59:08+00:00"
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             "name": "paypal/rest-api-sdk-php",
@@ -2845,7 +2852,7 @@
                 "rest",
                 "sdk"
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-            "time": "2016-12-14 21:59:21"
+            "time": "2016-12-14T21:59:21+00:00"
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@@ -2909,7 +2916,7 @@
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-            "time": "2016-08-04 08:15:12"
+            "time": "2016-08-04T08:15:12+00:00"
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             "name": "payum/jms-payment-bridge",
@@ -2968,7 +2975,7 @@
                 "jms payment",
                 "payment"
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-            "time": "2016-05-31 18:56:59"
+            "time": "2016-05-31T18:56:59+00:00"
         },
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@@ -3028,7 +3035,7 @@
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                 "payment"
             ],
-            "time": "2016-11-07 07:29:13"
+            "time": "2016-11-07T07:29:13+00:00"
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             "name": "payum/payum",
@@ -3155,7 +3162,7 @@
                 "stripe.js",
                 "withdrawal"
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-            "time": "2017-03-24 08:36:36"
+            "time": "2017-03-24T08:36:36+00:00"
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@@ -3255,7 +3262,7 @@
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                 "symfony"
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-            "time": "2017-03-22 18:18:05"
+            "time": "2017-03-22T18:18:05+00:00"
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@@ -3315,7 +3322,7 @@
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                 "http"
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-            "time": "2016-05-10 06:13:32"
+            "time": "2016-05-10T06:13:32+00:00"
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@@ -3371,7 +3378,7 @@
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-            "time": "2016-08-31 08:30:17"
+            "time": "2016-08-31T08:30:17+00:00"
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@@ -3440,7 +3447,7 @@
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                 "psr-7"
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-            "time": "2017-02-14 08:58:37"
+            "time": "2017-02-14T08:58:37+00:00"
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@@ -3490,7 +3497,7 @@
                 "stream",
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-            "time": "2015-12-19 14:08:53"
+            "time": "2015-12-19T14:08:53+00:00"
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@@ -3540,7 +3547,7 @@
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                 "promise"
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-            "time": "2016-01-26 13:27:02"
+            "time": "2016-01-26T13:27:02+00:00"
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             "name": "phpcollection/phpcollection",
@@ -3588,7 +3595,7 @@
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                 "set"
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-            "time": "2015-05-17 12:39:23"
+            "time": "2015-05-17T12:39:23+00:00"
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             "name": "phpoption/phpoption",
@@ -3638,7 +3645,7 @@
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                 "type"
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-            "time": "2015-07-25 16:39:46"
+            "time": "2015-07-25T16:39:46+00:00"
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@@ -3689,7 +3696,7 @@
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-            "time": "2016-10-01 12:29:37"
+            "time": "2016-10-01T12:29:37+00:00"
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@@ -5514,40 +5586,43 @@
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@@ -5561,23 +5636,23 @@
                     "homepage": "http://fabien.potencier.org",
                     "role": "Lead Developer"
                 },
+                {
+                    "name": "Twig Team",
+                    "homepage": "https://twig.symfony.com/contributors",
+                    "role": "Contributors"
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                     "name": "Armin Ronacher",
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             "description": "Twig, the flexible, fast, and secure template language for PHP",
-            "homepage": "http://twig.sensiolabs.org",
+            "homepage": "https://twig.symfony.com",
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-            "time": "2017-03-22 15:41:51"
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@@ -5646,7 +5721,7 @@
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@@ -5688,7 +5763,7 @@
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@@ -5742,7 +5817,7 @@
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@@ -5787,7 +5862,7 @@
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@@ -5834,7 +5909,7 @@
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@@ -6048,7 +6123,7 @@
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@@ -6287,7 +6362,8 @@
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@@ -6332,7 +6408,7 @@
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-            "time": "2017-03-04 06:30:41"
+            "time": "2017-03-04T06:30:41+00:00"
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@@ -6396,7 +6472,7 @@
                 "compare",
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-            "time": "2017-01-29 09:50:25"
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@@ -6448,7 +6524,7 @@
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@@ -6498,7 +6574,7 @@
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@@ -6565,7 +6641,7 @@
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@@ -6616,7 +6692,7 @@
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@@ -6662,7 +6738,7 @@
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@@ -6800,7 +6876,7 @@
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@@ -6854,7 +6930,7 @@
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@@ -6912,7 +6988,7 @@
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             "description": "Symfony PHPUnit Bridge",
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-            "time": "2017-03-01 19:11:57"
+            "time": "2017-03-01T19:11:57+00:00"
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@@ -6970,7 +7046,7 @@
                 "portable",
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-            "time": "2016-11-14 01:06:16"
+            "time": "2016-11-14T01:06:16+00:00"
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@@ -7020,7 +7096,7 @@
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                 "validate"
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+            "time": "2016-11-23T20:04:58+00:00"
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