diff --git a/composer.lock b/composer.lock
index aaeb082..9294825 100644
--- a/composer.lock
+++ b/composer.lock
@@ -8,23 +8,24 @@
     "packages": [
         {
             "name": "guzzlehttp/guzzle",
-            "version": "6.5.2",
+            "version": "6.5.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/guzzle.git",
-                "reference": "43ece0e75098b7ecd8d13918293029e555a50f82"
+                "reference": "aab4ebd862aa7d04f01a4b51849d657db56d882e"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/43ece0e75098b7ecd8d13918293029e555a50f82",
-                "reference": "43ece0e75098b7ecd8d13918293029e555a50f82",
+                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/aab4ebd862aa7d04f01a4b51849d657db56d882e",
+                "reference": "aab4ebd862aa7d04f01a4b51849d657db56d882e",
                 "shasum": ""
             },
             "require": {
                 "ext-json": "*",
                 "guzzlehttp/promises": "^1.0",
                 "guzzlehttp/psr7": "^1.6.1",
-                "php": ">=5.5"
+                "php": ">=5.5",
+                "symfony/polyfill-intl-idn": "^1.11"
             },
             "require-dev": {
                 "ext-curl": "*",
@@ -32,7 +33,6 @@
                 "psr/log": "^1.1"
             },
             "suggest": {
-                "ext-intl": "Required for Internationalized Domain Name (IDN) support",
                 "psr/log": "Required for using the Log middleware"
             },
             "type": "library",
@@ -71,7 +71,7 @@
                 "rest",
                 "web service"
             ],
-            "time": "2019-12-23T11:57:10+00:00"
+            "time": "2020-04-18T10:38:46+00:00"
         },
         {
             "name": "guzzlehttp/promises",
@@ -440,6 +440,182 @@
             ],
             "time": "2019-11-27T13:56:44+00:00"
         },
+        {
+            "name": "symfony/polyfill-intl-idn",
+            "version": "v1.15.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-intl-idn.git",
+                "reference": "47bd6aa45beb1cd7c6a16b7d1810133b728bdfcf"
+            },
+            "dist": {
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+                "reference": "47bd6aa45beb1cd7c6a16b7d1810133b728bdfcf",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3",
+                "symfony/polyfill-mbstring": "^1.3",
+                "symfony/polyfill-php72": "^1.10"
+            },
+            "suggest": {
+                "ext-intl": "For best performance"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.15-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Polyfill\\Intl\\Idn\\": ""
+                },
+                "files": [
+                    "bootstrap.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Laurent Bassin",
+                    "email": "laurent@bassin.info"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony polyfill for intl's idn_to_ascii and idn_to_utf8 functions",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "idn",
+                "intl",
+                "polyfill",
+                "portable",
+                "shim"
+            ],
+            "time": "2020-03-09T19:04:49+00:00"
+        },
+        {
+            "name": "symfony/polyfill-mbstring",
+            "version": "v1.12.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-mbstring.git",
+                "reference": "b42a2f66e8f1b15ccf25652c3424265923eb4f17"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/b42a2f66e8f1b15ccf25652c3424265923eb4f17",
+                "reference": "b42a2f66e8f1b15ccf25652c3424265923eb4f17",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3"
+            },
+            "suggest": {
+                "ext-mbstring": "For best performance"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.12-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Polyfill\\Mbstring\\": ""
+                },
+                "files": [
+                    "bootstrap.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony polyfill for the Mbstring extension",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "mbstring",
+                "polyfill",
+                "portable",
+                "shim"
+            ],
+            "time": "2019-08-06T08:03:45+00:00"
+        },
+        {
+            "name": "symfony/polyfill-php72",
+            "version": "v1.15.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-php72.git",
+                "reference": "37b0976c78b94856543260ce09b460a7bc852747"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/polyfill-php72/zipball/37b0976c78b94856543260ce09b460a7bc852747",
+                "reference": "37b0976c78b94856543260ce09b460a7bc852747",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.15-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Polyfill\\Php72\\": ""
+                },
+                "files": [
+                    "bootstrap.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony polyfill backporting some PHP 7.2+ features to lower PHP versions",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "polyfill",
+                "portable",
+                "shim"
+            ],
+            "time": "2020-02-27T09:26:54+00:00"
+        },
         {
             "name": "vlucas/phpdotenv",
             "version": "v3.6.0",
@@ -2283,65 +2459,6 @@
             "homepage": "https://symfony.com",
             "time": "2019-08-20T14:07:54+00:00"
         },
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-            "name": "symfony/polyfill-mbstring",
-            "version": "v1.12.0",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/symfony/polyfill-mbstring.git",
-                "reference": "b42a2f66e8f1b15ccf25652c3424265923eb4f17"
-            },
-            "dist": {
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-                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/b42a2f66e8f1b15ccf25652c3424265923eb4f17",
-                "reference": "b42a2f66e8f1b15ccf25652c3424265923eb4f17",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=5.3.3"
-            },
-            "suggest": {
-                "ext-mbstring": "For best performance"
-            },
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "1.12-dev"
-                }
-            },
-            "autoload": {
-                "psr-4": {
-                    "Symfony\\Polyfill\\Mbstring\\": ""
-                },
-                "files": [
-                    "bootstrap.php"
-                ]
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Nicolas Grekas",
-                    "email": "p@tchwork.com"
-                },
-                {
-                    "name": "Symfony Community",
-                    "homepage": "https://symfony.com/contributors"
-                }
-            ],
-            "description": "Symfony polyfill for the Mbstring extension",
-            "homepage": "https://symfony.com",
-            "keywords": [
-                "compatibility",
-                "mbstring",
-                "polyfill",
-                "portable",
-                "shim"
-            ],
-            "time": "2019-08-06T08:03:45+00:00"
-        },
         {
             "name": "symfony/polyfill-php73",
             "version": "v1.12.0",