diff --git a/composer.lock b/composer.lock
index ddb3717..d73c46b 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1,11 +1,10 @@
 {
     "_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": "57087dddfb44a7187fea4c44f194216e",
-    "content-hash": "7fb8f178b6187be8026278c8091031c8",
+    "content-hash": "6f5ab14dc893b3d1f92c195d71ba6a1c",
     "packages": [
         {
             "name": "alcaeus/mongo-php-adapter",
@@ -70,7 +69,7 @@
                 "database",
                 "mongodb"
             ],
-            "time": "2018-03-05 20:40:55"
+            "time": "2018-03-05T20:40:55+00:00"
         },
         {
             "name": "caseyamcl/phpoaipmh",
@@ -129,7 +128,7 @@
                 "OAI",
                 "OAI-PMH"
             ],
-            "time": "2018-03-07 17:46:55"
+            "time": "2018-03-07T17:46:55+00:00"
         },
         {
             "name": "composer/ca-bundle",
@@ -185,7 +184,7 @@
                 "ssl",
                 "tls"
             ],
-            "time": "2018-08-08 08:57:40"
+            "time": "2018-08-08T08:57:40+00:00"
         },
         {
             "name": "doctrine/annotations",
@@ -253,7 +252,7 @@
                 "docblock",
                 "parser"
             ],
-            "time": "2017-02-24 16:22:25"
+            "time": "2017-02-24T16:22:25+00:00"
         },
         {
             "name": "doctrine/cache",
@@ -323,7 +322,7 @@
                 "cache",
                 "caching"
             ],
-            "time": "2017-07-22 12:49:21"
+            "time": "2017-07-22T12:49:21+00:00"
         },
         {
             "name": "doctrine/collections",
@@ -390,7 +389,7 @@
                 "collections",
                 "iterator"
             ],
-            "time": "2017-01-03 10:49:41"
+            "time": "2017-01-03T10:49:41+00:00"
         },
         {
             "name": "doctrine/common",
@@ -463,7 +462,7 @@
                 "persistence",
                 "spl"
             ],
-            "time": "2017-07-22 08:35:12"
+            "time": "2017-07-22T08:35:12+00:00"
         },
         {
             "name": "doctrine/inflector",
@@ -530,7 +529,7 @@
                 "singularize",
                 "string"
             ],
-            "time": "2015-11-06 14:35:42"
+            "time": "2015-11-06T14:35:42+00:00"
         },
         {
             "name": "doctrine/instantiator",
@@ -584,7 +583,7 @@
                 "constructor",
                 "instantiate"
             ],
-            "time": "2015-06-14 21:17:01"
+            "time": "2015-06-14T21:17:01+00:00"
         },
         {
             "name": "doctrine/lexer",
@@ -638,7 +637,7 @@
                 "lexer",
                 "parser"
             ],
-            "time": "2014-09-09 13:34:57"
+            "time": "2014-09-09T13:34:57+00:00"
         },
         {
             "name": "doctrine/mongodb",
@@ -715,7 +714,7 @@
                 "mongodb",
                 "persistence"
             ],
-            "time": "2018-07-20 05:09:17"
+            "time": "2018-07-20T05:09:17+00:00"
         },
         {
             "name": "doctrine/mongodb-odm",
@@ -799,7 +798,7 @@
                 "odm",
                 "persistence"
             ],
-            "time": "2018-07-20 05:40:16"
+            "time": "2018-07-20T05:40:16+00:00"
         },
         {
             "name": "doctrine/mongodb-odm-bundle",
@@ -874,7 +873,7 @@
                 "persistence",
                 "symfony"
             ],
-            "time": "2018-09-24 07:36:36"
+            "time": "2018-09-24T07:36:36+00:00"
         },
         {
             "name": "fig/link-util",
@@ -928,7 +927,7 @@
                 "psr-13",
                 "rest"
             ],
-            "time": "2016-10-17 18:31:11"
+            "time": "2016-10-17T18:31:11+00:00"
         },
         {
             "name": "guzzlehttp/guzzle",
@@ -993,7 +992,7 @@
                 "rest",
                 "web service"
             ],
-            "time": "2018-04-22 15:46:56"
+            "time": "2018-04-22T15:46:56+00:00"
         },
         {
             "name": "guzzlehttp/promises",
@@ -1044,58 +1043,84 @@
             "keywords": [
                 "promise"
             ],
-            "time": "2016-12-20 10:07:11"
+            "time": "2016-12-20T10:07:11+00:00"
         },
         {
             "name": "guzzlehttp/psr7",
-            "version": "1.4.2",
+            "version": "1.8.5",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/psr7.git",
-                "reference": "f5b8a8512e2b58b0071a7280e39f14f72e05d87c"
+                "reference": "337e3ad8e5716c15f9657bd214d16cc5e69df268"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/psr7/zipball/f5b8a8512e2b58b0071a7280e39f14f72e05d87c",
-                "reference": "f5b8a8512e2b58b0071a7280e39f14f72e05d87c",
+                "url": "https://api.github.com/repos/guzzle/psr7/zipball/337e3ad8e5716c15f9657bd214d16cc5e69df268",
+                "reference": "337e3ad8e5716c15f9657bd214d16cc5e69df268",
                 "shasum": ""
             },
             "require": {
                 "php": ">=5.4.0",
-                "psr/http-message": "~1.0"
+                "psr/http-message": "~1.0",
+                "ralouphie/getallheaders": "^2.0.5 || ^3.0.0"
             },
             "provide": {
                 "psr/http-message-implementation": "1.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "~4.0"
+                "ext-zlib": "*",
+                "phpunit/phpunit": "~4.8.36 || ^5.7.27 || ^6.5.14 || ^7.5.20 || ^8.5.8 || ^9.3.10"
+            },
+            "suggest": {
+                "laminas/laminas-httphandlerrunner": "Emit PSR-7 responses"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.4-dev"
+                    "dev-master": "1.7-dev"
                 }
             },
             "autoload": {
-                "psr-4": {
-                    "GuzzleHttp\\Psr7\\": "src/"
-                },
                 "files": [
                     "src/functions_include.php"
-                ]
+                ],
+                "psr-4": {
+                    "GuzzleHttp\\Psr7\\": "src/"
+                }
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
                 "MIT"
             ],
             "authors": [
+                {
+                    "name": "Graham Campbell",
+                    "email": "hello@gjcampbell.co.uk",
+                    "homepage": "https://github.com/GrahamCampbell"
+                },
                 {
                     "name": "Michael Dowling",
                     "email": "mtdowling@gmail.com",
                     "homepage": "https://github.com/mtdowling"
                 },
+                {
+                    "name": "George Mponos",
+                    "email": "gmponos@gmail.com",
+                    "homepage": "https://github.com/gmponos"
+                },
+                {
+                    "name": "Tobias Nyholm",
+                    "email": "tobias.nyholm@gmail.com",
+                    "homepage": "https://github.com/Nyholm"
+                },
+                {
+                    "name": "Márk Sági-Kazár",
+                    "email": "mark.sagikazar@gmail.com",
+                    "homepage": "https://github.com/sagikazarmark"
+                },
                 {
                     "name": "Tobias Schultze",
+                    "email": "webmaster@tubo-world.de",
                     "homepage": "https://github.com/Tobion"
                 }
             ],
@@ -1103,13 +1128,32 @@
             "keywords": [
                 "http",
                 "message",
+                "psr-7",
                 "request",
                 "response",
                 "stream",
                 "uri",
                 "url"
             ],
-            "time": "2017-03-20 17:10:46"
+            "support": {
+                "issues": "https://github.com/guzzle/psr7/issues",
+                "source": "https://github.com/guzzle/psr7/tree/1.8.5"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/GrahamCampbell",
+                    "type": "github"
+                },
+                {
+                    "url": "https://github.com/Nyholm",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/guzzlehttp/psr7",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2022-03-20T21:51:18+00:00"
         },
         {
             "name": "incenteev/composer-parameter-handler",
@@ -1160,7 +1204,7 @@
             "keywords": [
                 "parameters management"
             ],
-            "time": "2018-02-13 18:05:56"
+            "time": "2018-02-13T18:05:56+00:00"
         },
         {
             "name": "mongodb/mongodb",
@@ -1225,7 +1269,7 @@
                 "mongodb",
                 "persistence"
             ],
-            "time": "2018-04-19 17:20:30"
+            "time": "2018-04-19T17:20:30+00:00"
         },
         {
             "name": "monolog/monolog",
@@ -1303,7 +1347,7 @@
                 "logging",
                 "psr-3"
             ],
-            "time": "2017-06-19 01:22:40"
+            "time": "2017-06-19T01:22:40+00:00"
         },
         {
             "name": "paragonie/random_compat",
@@ -1352,7 +1396,7 @@
                 "pseudorandom",
                 "random"
             ],
-            "time": "2018-07-04 16:31:37"
+            "time": "2018-07-04T16:31:37+00:00"
         },
         {
             "name": "psr/cache",
@@ -1398,7 +1442,7 @@
                 "psr",
                 "psr-6"
             ],
-            "time": "2016-08-06 20:24:11"
+            "time": "2016-08-06T20:24:11+00:00"
         },
         {
             "name": "psr/container",
@@ -1447,7 +1491,7 @@
                 "container-interop",
                 "psr"
             ],
-            "time": "2017-02-14 16:28:37"
+            "time": "2017-02-14T16:28:37+00:00"
         },
         {
             "name": "psr/http-message",
@@ -1497,7 +1541,10 @@
                 "request",
                 "response"
             ],
-            "time": "2016-08-06 14:39:51"
+            "support": {
+                "source": "https://github.com/php-fig/http-message/tree/master"
+            },
+            "time": "2016-08-06T14:39:51+00:00"
         },
         {
             "name": "psr/link",
@@ -1546,7 +1593,7 @@
                 "psr-13",
                 "rest"
             ],
-            "time": "2016-10-28 16:06:13"
+            "time": "2016-10-28T16:06:13+00:00"
         },
         {
             "name": "psr/log",
@@ -1593,7 +1640,7 @@
                 "psr",
                 "psr-3"
             ],
-            "time": "2016-10-10 12:19:37"
+            "time": "2016-10-10T12:19:37+00:00"
         },
         {
             "name": "psr/simple-cache",
@@ -1641,7 +1688,51 @@
                 "psr-16",
                 "simple-cache"
             ],
-            "time": "2017-10-23 01:57:42"
+            "time": "2017-10-23T01:57:42+00:00"
+        },
+        {
+            "name": "ralouphie/getallheaders",
+            "version": "3.0.3",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/ralouphie/getallheaders.git",
+                "reference": "120b605dfeb996808c31b6477290a714d356e822"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/ralouphie/getallheaders/zipball/120b605dfeb996808c31b6477290a714d356e822",
+                "reference": "120b605dfeb996808c31b6477290a714d356e822",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.6"
+            },
+            "require-dev": {
+                "php-coveralls/php-coveralls": "^2.1",
+                "phpunit/phpunit": "^5 || ^6.5"
+            },
+            "type": "library",
+            "autoload": {
+                "files": [
+                    "src/getallheaders.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Ralph Khattar",
+                    "email": "ralph.khattar@gmail.com"
+                }
+            ],
+            "description": "A polyfill for getallheaders.",
+            "support": {
+                "issues": "https://github.com/ralouphie/getallheaders/issues",
+                "source": "https://github.com/ralouphie/getallheaders/tree/develop"
+            },
+            "time": "2019-03-08T08:55:37+00:00"
         },
         {
             "name": "sensio/distribution-bundle",
@@ -1693,7 +1784,7 @@
                 "configuration",
                 "distribution"
             ],
-            "time": "2018-06-07 06:22:12"
+            "time": "2018-06-07T06:22:12+00:00"
         },
         {
             "name": "sensio/framework-extra-bundle",
@@ -1764,7 +1855,7 @@
                 "annotations",
                 "controllers"
             ],
-            "time": "2018-09-30 05:16:57"
+            "time": "2018-09-30T05:16:57+00:00"
         },
         {
             "name": "sensiolabs/security-checker",
@@ -1809,7 +1900,7 @@
                 }
             ],
             "description": "A security checker for your composer.lock",
-            "time": "2018-02-28 22:10:01"
+            "time": "2018-02-28T22:10:01+00:00"
         },
         {
             "name": "swiftmailer/swiftmailer",
@@ -1863,7 +1954,7 @@
                 "mail",
                 "mailer"
             ],
-            "time": "2018-07-31 09:26:32"
+            "time": "2018-07-31T09:26:32+00:00"
         },
         {
             "name": "symfony/monolog-bundle",
@@ -1926,7 +2017,7 @@
                 "log",
                 "logging"
             ],
-            "time": "2018-06-04 05:55:43"
+            "time": "2018-06-04T05:55:43+00:00"
         },
         {
             "name": "symfony/polyfill-apcu",
@@ -1982,7 +2073,7 @@
                 "portable",
                 "shim"
             ],
-            "time": "2018-08-06 14:22:27"
+            "time": "2018-08-06T14:22:27+00:00"
         },
         {
             "name": "symfony/polyfill-ctype",
@@ -2040,7 +2131,7 @@
                 "polyfill",
                 "portable"
             ],
-            "time": "2018-08-06 14:22:27"
+            "time": "2018-08-06T14:22:27+00:00"
         },
         {
             "name": "symfony/polyfill-intl-icu",
@@ -2098,7 +2189,7 @@
                 "portable",
                 "shim"
             ],
-            "time": "2018-08-06 14:22:27"
+            "time": "2018-08-06T14:22:27+00:00"
         },
         {
             "name": "symfony/polyfill-mbstring",
@@ -2157,7 +2248,7 @@
                 "portable",
                 "shim"
             ],
-            "time": "2018-08-06 14:22:27"
+            "time": "2018-08-06T14:22:27+00:00"
         },
         {
             "name": "symfony/polyfill-php56",
@@ -2213,7 +2304,7 @@
                 "portable",
                 "shim"
             ],
-            "time": "2018-08-06 14:22:27"
+            "time": "2018-08-06T14:22:27+00:00"
         },
         {
             "name": "symfony/polyfill-php70",
@@ -2272,7 +2363,7 @@
                 "portable",
                 "shim"
             ],
-            "time": "2018-08-06 14:22:27"
+            "time": "2018-08-06T14:22:27+00:00"
         },
         {
             "name": "symfony/polyfill-util",
@@ -2324,7 +2415,7 @@
                 "polyfill",
                 "shim"
             ],
-            "time": "2018-08-06 14:22:27"
+            "time": "2018-08-06T14:22:27+00:00"
         },
         {
             "name": "symfony/swiftmailer-bundle",
@@ -2383,7 +2474,7 @@
             ],
             "description": "Symfony SwiftmailerBundle",
             "homepage": "http://symfony.com",
-            "time": "2017-10-19 01:06:41"
+            "time": "2017-10-19T01:06:41+00:00"
         },
         {
             "name": "symfony/symfony",
@@ -2538,7 +2629,7 @@
             "keywords": [
                 "framework"
             ],
-            "time": "2018-09-30 04:54:04"
+            "time": "2018-09-30T04:54:04+00:00"
         },
         {
             "name": "symfony/webpack-encore-pack",
@@ -2569,7 +2660,7 @@
                 "MIT"
             ],
             "description": "A pack for Symfony Encore",
-            "time": "2018-07-16 10:15:28"
+            "time": "2018-07-16T10:15:28+00:00"
         },
         {
             "name": "twbs/bootstrap",
@@ -2620,7 +2711,7 @@
                 "sass",
                 "web"
             ],
-            "time": "2018-04-30 16:04:33"
+            "time": "2018-04-30T16:04:33+00:00"
         },
         {
             "name": "twig/twig",
@@ -2686,7 +2777,7 @@
             "keywords": [
                 "templating"
             ],
-            "time": "2018-07-13 07:12:17"
+            "time": "2018-07-13T07:12:17+00:00"
         }
     ],
     "packages-dev": [
@@ -2742,7 +2833,7 @@
                 }
             ],
             "description": "This bundle generates code for you",
-            "time": "2017-12-07 15:36:41"
+            "time": "2017-12-07T15:36:41+00:00"
         },
         {
             "name": "symfony/phpunit-bridge",
@@ -2808,7 +2899,7 @@
             ],
             "description": "Symfony PHPUnit Bridge",
             "homepage": "https://symfony.com",
-            "time": "2018-09-21 12:47:54"
+            "time": "2018-09-21T12:47:54+00:00"
         }
     ],
     "aliases": [],
@@ -2817,7 +2908,8 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": ">=5.5.9"
+        "php": ">=7.1.3"
     },
-    "platform-dev": []
+    "platform-dev": [],
+    "plugin-api-version": "2.2.0"
 }