diff --git a/composer.lock b/composer.lock
index 9f52824..e795844 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1704,27 +1704,28 @@
         },
         {
             "name": "react/event-loop",
-            "version": "v1.0.0",
+            "version": "v1.1.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/reactphp/event-loop.git",
-                "reference": "0266aff7aa7b0613b1f38a723e14a0ebc55cfca3"
+                "reference": "a0ecac955c67b57c40fe4a1b88a7cca1b58c982d"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/reactphp/event-loop/zipball/0266aff7aa7b0613b1f38a723e14a0ebc55cfca3",
-                "reference": "0266aff7aa7b0613b1f38a723e14a0ebc55cfca3",
+                "url": "https://api.github.com/repos/reactphp/event-loop/zipball/a0ecac955c67b57c40fe4a1b88a7cca1b58c982d",
+                "reference": "a0ecac955c67b57c40fe4a1b88a7cca1b58c982d",
                 "shasum": ""
             },
             "require": {
                 "php": ">=5.3.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "~4.8.35 || ^5.7 || ^6.4"
+                "phpunit/phpunit": "^7.0 || ^6.4 || ^5.7 || ^4.8.35"
             },
             "suggest": {
                 "ext-event": "~1.0 for ExtEventLoop",
-                "ext-pcntl": "For signal handling support when using the StreamSelectLoop"
+                "ext-pcntl": "For signal handling support when using the StreamSelectLoop",
+                "ext-uv": "* for ExtUvLoop"
             },
             "type": "library",
             "autoload": {
@@ -1741,7 +1742,7 @@
                 "asynchronous",
                 "event-loop"
             ],
-            "time": "2018-07-11T14:37:46+00:00"
+            "time": "2019-02-07T16:19:49+00:00"
         },
         {
             "name": "react/http-client",
@@ -2203,7 +2204,7 @@
                 },
                 {
                     "name": "Gert de Pagter",
-                    "email": "backendtea@gmail.com"
+                    "email": "BackEndTea@gmail.com"
                 }
             ],
             "description": "Symfony polyfill for ctype functions",
@@ -2616,20 +2617,21 @@
     "packages-dev": [
         {
             "name": "api-clients/test-utilities",
-            "version": "4.3.0",
+            "version": "4.3.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/php-api-clients/test-utilities.git",
-                "reference": "ab3cd1f08627a60c428e1e8b2765c3f1efeec0ee"
+                "reference": "419d830fb9b6080be4593385a8426efa5f2572d1"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/php-api-clients/test-utilities/zipball/ab3cd1f08627a60c428e1e8b2765c3f1efeec0ee",
-                "reference": "ab3cd1f08627a60c428e1e8b2765c3f1efeec0ee",
+                "url": "https://api.github.com/repos/php-api-clients/test-utilities/zipball/419d830fb9b6080be4593385a8426efa5f2572d1",
+                "reference": "419d830fb9b6080be4593385a8426efa5f2572d1",
                 "shasum": ""
             },
             "require": {
                 "clue/block-react": "^1.1",
+                "composer/composer": "^1.8",
                 "friendsofphp/php-cs-fixer": "^2.5",
                 "infection/infection": "^0.6.2",
                 "jakub-onderka/php-console-highlighter": "^0.3.2",
@@ -2656,20 +2658,20 @@
                 }
             ],
             "description": "Test utilities for api-clients packages",
-            "time": "2018-01-17T20:50:58+00:00"
+            "time": "2019-03-02T21:47:11+00:00"
         },
         {
             "name": "composer/ca-bundle",
-            "version": "1.1.3",
+            "version": "1.1.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/composer/ca-bundle.git",
-                "reference": "8afa52cd417f4ec417b4bfe86b68106538a87660"
+                "reference": "558f321c52faeb4828c03e7dc0cfe39a09e09a2d"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/composer/ca-bundle/zipball/8afa52cd417f4ec417b4bfe86b68106538a87660",
-                "reference": "8afa52cd417f4ec417b4bfe86b68106538a87660",
+                "url": "https://api.github.com/repos/composer/ca-bundle/zipball/558f321c52faeb4828c03e7dc0cfe39a09e09a2d",
+                "reference": "558f321c52faeb4828c03e7dc0cfe39a09e09a2d",
                 "shasum": ""
             },
             "require": {
@@ -2712,7 +2714,87 @@
                 "ssl",
                 "tls"
             ],
-            "time": "2018-10-18T06:09:13+00:00"
+            "time": "2019-01-28T09:30:10+00:00"
+        },
+        {
+            "name": "composer/composer",
+            "version": "1.8.4",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/composer/composer.git",
+                "reference": "bc364c2480c17941e2135cfc568fa41794392534"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/composer/composer/zipball/bc364c2480c17941e2135cfc568fa41794392534",
+                "reference": "bc364c2480c17941e2135cfc568fa41794392534",
+                "shasum": ""
+            },
+            "require": {
+                "composer/ca-bundle": "^1.0",
+                "composer/semver": "^1.0",
+                "composer/spdx-licenses": "^1.2",
+                "composer/xdebug-handler": "^1.1",
+                "justinrainbow/json-schema": "^3.0 || ^4.0 || ^5.0",
+                "php": "^5.3.2 || ^7.0",
+                "psr/log": "^1.0",
+                "seld/jsonlint": "^1.4",
+                "seld/phar-utils": "^1.0",
+                "symfony/console": "^2.7 || ^3.0 || ^4.0",
+                "symfony/filesystem": "^2.7 || ^3.0 || ^4.0",
+                "symfony/finder": "^2.7 || ^3.0 || ^4.0",
+                "symfony/process": "^2.7 || ^3.0 || ^4.0"
+            },
+            "conflict": {
+                "symfony/console": "2.8.38"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^4.8.35 || ^5.7",
+                "phpunit/phpunit-mock-objects": "^2.3 || ^3.0"
+            },
+            "suggest": {
+                "ext-openssl": "Enabling the openssl extension allows you to access https URLs for repositories and packages",
+                "ext-zip": "Enabling the zip extension allows you to unzip archives",
+                "ext-zlib": "Allow gzip compression of HTTP requests"
+            },
+            "bin": [
+                "bin/composer"
+            ],
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.8-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Composer\\": "src/Composer"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nils Adermann",
+                    "email": "naderman@naderman.de",
+                    "homepage": "http://www.naderman.de"
+                },
+                {
+                    "name": "Jordi Boggiano",
+                    "email": "j.boggiano@seld.be",
+                    "homepage": "http://seld.be"
+                }
+            ],
+            "description": "Composer helps you declare, manage and install dependencies of PHP projects, ensuring you have the right stack everywhere.",
+            "homepage": "https://getcomposer.org/",
+            "keywords": [
+                "autoload",
+                "dependency",
+                "package"
+            ],
+            "time": "2019-02-11T09:52:10+00:00"
         },
         {
             "name": "composer/semver",
@@ -2776,18 +2858,79 @@
             ],
             "time": "2016-08-30T16:08:34+00:00"
         },
+        {
+            "name": "composer/spdx-licenses",
+            "version": "1.5.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/composer/spdx-licenses.git",
+                "reference": "7a9556b22bd9d4df7cad89876b00af58ef20d3a2"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/composer/spdx-licenses/zipball/7a9556b22bd9d4df7cad89876b00af58ef20d3a2",
+                "reference": "7a9556b22bd9d4df7cad89876b00af58ef20d3a2",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^5.3.2 || ^7.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^4.8.35 || ^5.7 || ^6.5",
+                "phpunit/phpunit-mock-objects": "2.3.0 || ^3.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Composer\\Spdx\\": "src"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nils Adermann",
+                    "email": "naderman@naderman.de",
+                    "homepage": "http://www.naderman.de"
+                },
+                {
+                    "name": "Jordi Boggiano",
+                    "email": "j.boggiano@seld.be",
+                    "homepage": "http://seld.be"
+                },
+                {
+                    "name": "Rob Bast",
+                    "email": "rob.bast@gmail.com",
+                    "homepage": "http://robbast.nl"
+                }
+            ],
+            "description": "SPDX licenses list and validation library.",
+            "keywords": [
+                "license",
+                "spdx",
+                "validator"
+            ],
+            "time": "2018-11-01T09:45:54+00:00"
+        },
         {
             "name": "composer/xdebug-handler",
-            "version": "1.3.1",
+            "version": "1.3.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/composer/xdebug-handler.git",
-                "reference": "dc523135366eb68f22268d069ea7749486458562"
+                "reference": "d17708133b6c276d6e42ef887a877866b909d892"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/composer/xdebug-handler/zipball/dc523135366eb68f22268d069ea7749486458562",
-                "reference": "dc523135366eb68f22268d069ea7749486458562",
+                "url": "https://api.github.com/repos/composer/xdebug-handler/zipball/d17708133b6c276d6e42ef887a877866b909d892",
+                "reference": "d17708133b6c276d6e42ef887a877866b909d892",
                 "shasum": ""
             },
             "require": {
@@ -2818,7 +2961,7 @@
                 "Xdebug",
                 "performance"
             ],
-            "time": "2018-11-29T10:59:02+00:00"
+            "time": "2019-01-28T20:25:53+00:00"
         },
         {
             "name": "doctrine/instantiator",
@@ -3165,23 +3308,23 @@
         },
         {
             "name": "justinrainbow/json-schema",
-            "version": "5.2.7",
+            "version": "5.2.8",
             "source": {
                 "type": "git",
                 "url": "https://github.com/justinrainbow/json-schema.git",
-                "reference": "8560d4314577199ba51bf2032f02cd1315587c23"
+                "reference": "dcb6e1006bb5fd1e392b4daa68932880f37550d4"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/justinrainbow/json-schema/zipball/8560d4314577199ba51bf2032f02cd1315587c23",
-                "reference": "8560d4314577199ba51bf2032f02cd1315587c23",
+                "url": "https://api.github.com/repos/justinrainbow/json-schema/zipball/dcb6e1006bb5fd1e392b4daa68932880f37550d4",
+                "reference": "dcb6e1006bb5fd1e392b4daa68932880f37550d4",
                 "shasum": ""
             },
             "require": {
                 "php": ">=5.3.3"
             },
             "require-dev": {
-                "friendsofphp/php-cs-fixer": "^2.1",
+                "friendsofphp/php-cs-fixer": "~2.2.20",
                 "json-schema/json-schema-test-suite": "1.2.0",
                 "phpunit/phpunit": "^4.8.35"
             },
@@ -3227,7 +3370,7 @@
                 "json",
                 "schema"
             ],
-            "time": "2018-02-14T22:26:30+00:00"
+            "time": "2019-01-14T23:55:14+00:00"
         },
         {
             "name": "localheinz/composer-normalize",
@@ -3481,7 +3624,7 @@
                     "homepage": "http://blog.astrumfutura.com"
                 },
                 {
-                    "name": "Théo Fidry",
+                    "name": "Théo FIDRY",
                     "email": "theo.fidry@gmail.com"
                 }
             ],
@@ -4119,16 +4262,16 @@
         },
         {
             "name": "phpunit/phpunit",
-            "version": "6.5.13",
+            "version": "6.5.14",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "0973426fb012359b2f18d3bd1e90ef1172839693"
+                "reference": "bac23fe7ff13dbdb461481f706f0e9fe746334b7"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/0973426fb012359b2f18d3bd1e90ef1172839693",
-                "reference": "0973426fb012359b2f18d3bd1e90ef1172839693",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/bac23fe7ff13dbdb461481f706f0e9fe746334b7",
+                "reference": "bac23fe7ff13dbdb461481f706f0e9fe746334b7",
                 "shasum": ""
             },
             "require": {
@@ -4199,7 +4342,7 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2018-09-08T15:10:43+00:00"
+            "time": "2019-02-01T05:22:47+00:00"
         },
         {
             "name": "phpunit/phpunit-mock-objects",
@@ -4258,6 +4401,7 @@
                 "mock",
                 "xunit"
             ],
+            "abandoned": true,
             "time": "2018-08-09T05:50:03+00:00"
         },
         {
@@ -4916,6 +5060,99 @@
             "homepage": "https://github.com/sebastianbergmann/version",
             "time": "2016-10-03T07:35:21+00:00"
         },
+        {
+            "name": "seld/jsonlint",
+            "version": "1.7.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/Seldaek/jsonlint.git",
+                "reference": "d15f59a67ff805a44c50ea0516d2341740f81a38"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/Seldaek/jsonlint/zipball/d15f59a67ff805a44c50ea0516d2341740f81a38",
+                "reference": "d15f59a67ff805a44c50ea0516d2341740f81a38",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^5.3 || ^7.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^4.8.35 || ^5.7 || ^6.0"
+            },
+            "bin": [
+                "bin/jsonlint"
+            ],
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Seld\\JsonLint\\": "src/Seld/JsonLint/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Jordi Boggiano",
+                    "email": "j.boggiano@seld.be",
+                    "homepage": "http://seld.be"
+                }
+            ],
+            "description": "JSON Linter",
+            "keywords": [
+                "json",
+                "linter",
+                "parser",
+                "validator"
+            ],
+            "time": "2018-01-24T12:46:19+00:00"
+        },
+        {
+            "name": "seld/phar-utils",
+            "version": "1.0.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/Seldaek/phar-utils.git",
+                "reference": "7009b5139491975ef6486545a39f3e6dad5ac30a"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/Seldaek/phar-utils/zipball/7009b5139491975ef6486545a39f3e6dad5ac30a",
+                "reference": "7009b5139491975ef6486545a39f3e6dad5ac30a",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Seld\\PharUtils\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Jordi Boggiano",
+                    "email": "j.boggiano@seld.be"
+                }
+            ],
+            "description": "PHAR file format utilities, for when PHP phars you up",
+            "keywords": [
+                "phra"
+            ],
+            "time": "2015-10-13T18:44:15+00:00"
+        },
         {
             "name": "symfony/console",
             "version": "v3.3.6",