diff --git a/composer.lock b/composer.lock
index 5744533..b8c3905 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,6 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "hash": "68f896fc6d55e4454cb5f2d9be639e6f",
     "content-hash": "15efa608e772ff5c6381daec33cf9114",
     "packages": [
         {
@@ -73,7 +72,7 @@
                 "docblock",
                 "parser"
             ],
-            "time": "2015-08-31 12:32:49"
+            "time": "2015-08-31T12:32:49+00:00"
         },
         {
             "name": "doctrine/cache",
@@ -143,7 +142,7 @@
                 "cache",
                 "caching"
             ],
-            "time": "2015-12-31 16:37:02"
+            "time": "2015-12-31T16:37:02+00:00"
         },
         {
             "name": "doctrine/collections",
@@ -209,7 +208,7 @@
                 "collections",
                 "iterator"
             ],
-            "time": "2015-04-14 22:21:58"
+            "time": "2015-04-14T22:21:58+00:00"
         },
         {
             "name": "doctrine/common",
@@ -282,7 +281,7 @@
                 "persistence",
                 "spl"
             ],
-            "time": "2015-12-25 13:18:31"
+            "time": "2015-12-25T13:18:31+00:00"
         },
         {
             "name": "doctrine/dbal",
@@ -345,7 +344,7 @@
                 "persistence",
                 "queryobject"
             ],
-            "time": "2016-01-05 22:18:20"
+            "time": "2016-01-05T22:18:20+00:00"
         },
         {
             "name": "doctrine/doctrine-bundle",
@@ -424,7 +423,7 @@
                 "orm",
                 "persistence"
             ],
-            "time": "2016-01-10 17:21:44"
+            "time": "2016-01-10T17:21:44+00:00"
         },
         {
             "name": "doctrine/doctrine-cache-bundle",
@@ -512,7 +511,7 @@
                 "cache",
                 "caching"
             ],
-            "time": "2016-01-26 17:28:51"
+            "time": "2016-01-26T17:28:51+00:00"
         },
         {
             "name": "doctrine/doctrine-migrations-bundle",
@@ -570,7 +569,7 @@
                 "migrations",
                 "schema"
             ],
-            "time": "2015-11-04 13:45:30"
+            "time": "2015-11-04T13:45:30+00:00"
         },
         {
             "name": "doctrine/inflector",
@@ -637,7 +636,7 @@
                 "singularize",
                 "string"
             ],
-            "time": "2015-11-06 14:35:42"
+            "time": "2015-11-06T14:35:42+00:00"
         },
         {
             "name": "doctrine/instantiator",
@@ -691,7 +690,7 @@
                 "constructor",
                 "instantiate"
             ],
-            "time": "2015-06-14 21:17:01"
+            "time": "2015-06-14T21:17:01+00:00"
         },
         {
             "name": "doctrine/lexer",
@@ -745,7 +744,7 @@
                 "lexer",
                 "parser"
             ],
-            "time": "2014-09-09 13:34:57"
+            "time": "2014-09-09T13:34:57+00:00"
         },
         {
             "name": "doctrine/migrations",
@@ -818,7 +817,7 @@
                 "database",
                 "migrations"
             ],
-            "time": "2016-03-14 12:29:11"
+            "time": "2016-03-14T12:29:11+00:00"
         },
         {
             "name": "doctrine/orm",
@@ -891,7 +890,7 @@
                 "database",
                 "orm"
             ],
-            "time": "2015-08-31 13:19:01"
+            "time": "2015-08-31T13:19:01+00:00"
         },
         {
             "name": "guzzle/guzzle",
@@ -986,7 +985,8 @@
                 "rest",
                 "web service"
             ],
-            "time": "2015-03-18 18:23:50"
+            "abandoned": "guzzlehttp/guzzle",
+            "time": "2015-03-18T18:23:50+00:00"
         },
         {
             "name": "incenteev/composer-parameter-handler",
@@ -1037,7 +1037,7 @@
             "keywords": [
                 "parameters management"
             ],
-            "time": "2015-06-03 08:27:03"
+            "time": "2015-06-03T08:27:03+00:00"
         },
         {
             "name": "jdorn/sql-formatter",
@@ -1087,7 +1087,7 @@
                 "highlight",
                 "sql"
             ],
-            "time": "2014-01-12 16:20:24"
+            "time": "2014-01-12T16:20:24+00:00"
         },
         {
             "name": "jms/metadata",
@@ -1139,7 +1139,7 @@
                 "xml",
                 "yaml"
             ],
-            "time": "2014-07-12 07:13:19"
+            "time": "2014-07-12T07:13:19+00:00"
         },
         {
             "name": "jms/parser-lib",
@@ -1174,7 +1174,7 @@
                 "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"
         },
         {
             "name": "jms/serializer",
@@ -1247,7 +1247,7 @@
                 "serialization",
                 "xml"
             ],
-            "time": "2015-10-27 09:24:41"
+            "time": "2015-10-27T09:24:41+00:00"
         },
         {
             "name": "jms/serializer-bundle",
@@ -1317,7 +1317,7 @@
                 "serialization",
                 "xml"
             ],
-            "time": "2015-11-10 12:26:42"
+            "time": "2015-11-10T12:26:42+00:00"
         },
         {
             "name": "knplabs/knp-markdown-bundle",
@@ -1378,7 +1378,7 @@
                 "knplabs",
                 "markdown"
             ],
-            "time": "2015-12-15 20:41:45"
+            "time": "2015-12-15T20:41:45+00:00"
         },
         {
             "name": "kriswallsmith/assetic",
@@ -1456,7 +1456,7 @@
                 "compression",
                 "minification"
             ],
-            "time": "2015-08-31 19:07:16"
+            "time": "2015-08-31T19:07:16+00:00"
         },
         {
             "name": "michelf/php-markdown",
@@ -1507,7 +1507,7 @@
             "keywords": [
                 "markdown"
             ],
-            "time": "2015-12-24 01:37:31"
+            "time": "2015-12-24T01:37:31+00:00"
         },
         {
             "name": "misd/guzzle-bundle",
@@ -1579,7 +1579,8 @@
                 "rest",
                 "web service"
             ],
-            "time": "2014-12-01 08:29:51"
+            "abandoned": true,
+            "time": "2014-12-01T08:29:51+00:00"
         },
         {
             "name": "monolog/monolog",
@@ -1655,7 +1656,7 @@
                 "logging",
                 "psr-3"
             ],
-            "time": "2015-08-31 09:17:37"
+            "time": "2015-08-31T09:17:37+00:00"
         },
         {
             "name": "ob/highcharts-bundle",
@@ -1710,7 +1711,7 @@
                 "marcaube",
                 "ob"
             ],
-            "time": "2014-08-04 23:56:54"
+            "time": "2014-08-04T23:56:54+00:00"
         },
         {
             "name": "ocramius/proxy-manager",
@@ -1773,7 +1774,7 @@
                 "proxy pattern",
                 "service proxies"
             ],
-            "time": "2015-08-09 04:28:19"
+            "time": "2015-08-09T04:28:19+00:00"
         },
         {
             "name": "phpcollection/phpcollection",
@@ -1823,7 +1824,7 @@
                 "sequence",
                 "set"
             ],
-            "time": "2014-03-11 13:46:42"
+            "time": "2014-03-11T13:46:42+00:00"
         },
         {
             "name": "phpoption/phpoption",
@@ -1873,7 +1874,7 @@
                 "php",
                 "type"
             ],
-            "time": "2015-07-25 16:39:46"
+            "time": "2015-07-25T16:39:46+00:00"
         },
         {
             "name": "psr/log",
@@ -1911,7 +1912,7 @@
                 "psr",
                 "psr-3"
             ],
-            "time": "2012-12-21 11:40:51"
+            "time": "2012-12-21T11:40:51+00:00"
         },
         {
             "name": "sensio/distribution-bundle",
@@ -1971,7 +1972,7 @@
                 "configuration",
                 "distribution"
             ],
-            "time": "2015-08-03 10:07:12"
+            "time": "2015-08-03T10:07:12+00:00"
         },
         {
             "name": "sensio/framework-extra-bundle",
@@ -2026,7 +2027,7 @@
                 "annotations",
                 "controllers"
             ],
-            "time": "2015-08-03 11:59:27"
+            "time": "2015-08-03T11:59:27+00:00"
         },
         {
             "name": "sensiolabs/security-checker",
@@ -2070,7 +2071,7 @@
                 }
             ],
             "description": "A security checker for your composer.lock",
-            "time": "2015-08-11 12:11:25"
+            "time": "2015-08-11T12:11:25+00:00"
         },
         {
             "name": "swiftmailer/swiftmailer",
@@ -2123,7 +2124,7 @@
                 "mail",
                 "mailer"
             ],
-            "time": "2015-06-06 14:19:39"
+            "time": "2015-06-06T14:19:39+00:00"
         },
         {
             "name": "symfony/assetic-bundle",
@@ -2193,7 +2194,7 @@
                 "compression",
                 "minification"
             ],
-            "time": "2015-09-01 00:05:29"
+            "time": "2015-09-01T00:05:29+00:00"
         },
         {
             "name": "symfony/monolog-bundle",
@@ -2252,7 +2253,7 @@
                 "log",
                 "logging"
             ],
-            "time": "2015-10-02 11:51:59"
+            "time": "2015-10-02T11:51:59+00:00"
         },
         {
             "name": "symfony/swiftmailer-bundle",
@@ -2309,7 +2310,7 @@
             ],
             "description": "Symfony SwiftmailerBundle",
             "homepage": "http://symfony.com",
-            "time": "2014-12-01 17:44:50"
+            "time": "2014-12-01T17:44:50+00:00"
         },
         {
             "name": "symfony/symfony",
@@ -2431,7 +2432,7 @@
             "keywords": [
                 "framework"
             ],
-            "time": "2015-09-25 11:16:52"
+            "time": "2015-09-25T11:16:52+00:00"
         },
         {
             "name": "twig/extensions",
@@ -2483,7 +2484,7 @@
                 "i18n",
                 "text"
             ],
-            "time": "2015-08-22 16:38:35"
+            "time": "2015-08-22T16:38:35+00:00"
         },
         {
             "name": "twig/twig",
@@ -2544,7 +2545,7 @@
             "keywords": [
                 "templating"
             ],
-            "time": "2015-09-22 13:59:32"
+            "time": "2015-09-22T13:59:32+00:00"
         },
         {
             "name": "zendframework/zend-code",
@@ -2596,7 +2597,7 @@
                 "code",
                 "zf2"
             ],
-            "time": "2016-01-05 05:58:37"
+            "time": "2016-01-05T05:58:37+00:00"
         },
         {
             "name": "zendframework/zend-eventmanager",
@@ -2650,7 +2651,7 @@
                 "events",
                 "zf2"
             ],
-            "time": "2016-02-18 20:53:00"
+            "time": "2016-02-18T20:53:00+00:00"
         },
         {
             "name": "zendframework/zend-json",
@@ -2704,7 +2705,7 @@
                 "json",
                 "zf2"
             ],
-            "time": "2014-03-12 16:10:15"
+            "time": "2014-03-12T16:10:15+00:00"
         },
         {
             "name": "zendframework/zend-stdlib",
@@ -2759,7 +2760,7 @@
                 "stdlib",
                 "zf2"
             ],
-            "time": "2014-03-12 16:10:15"
+            "time": "2014-03-12T16:10:15+00:00"
         }
     ],
     "packages-dev": [
@@ -2818,7 +2819,7 @@
             "keywords": [
                 "database"
             ],
-            "time": "2015-03-30 12:14:13"
+            "time": "2015-03-30T12:14:13+00:00"
         },
         {
             "name": "doctrine/doctrine-fixtures-bundle",
@@ -2875,7 +2876,7 @@
                 "Fixture",
                 "persistence"
             ],
-            "time": "2015-11-04 21:23:23"
+            "time": "2015-11-04T21:23:23+00:00"
         },
         {
             "name": "sensio/generator-bundle",
@@ -2923,7 +2924,7 @@
                 }
             ],
             "description": "This bundle generates code for you",
-            "time": "2015-03-17 06:36:52"
+            "time": "2015-03-17T06:36:52+00:00"
         }
     ],
     "aliases": [],