diff --git a/build.php b/build.php
index dd98199..e918f62 100644
--- a/build.php
+++ b/build.php
@@ -19,8 +19,8 @@
 sed -i \'s/@dev/' . $version .'/g\' build/src/Clue/GraphComposer/App.php &&
 composer install -d build/ --no-dev &&
 
-cd build/ && rm -rf composer.lock vendor/*/*/tests/ vendor/*/*/*.md vendor/*/*/composer.* vendor/*/*/phpunit.* && cd .. &&
-cd build/vendor/symfony/console/Symfony/Component/Console/ && rm -rf Tests/ *.md composer.* phpunit.* && cd - &&
+cd build/ && rm -rf composer.lock vendor/*/*/tests/ vendor/*/*/examples/ vendor/*/*/*.md vendor/*/*/composer.* vendor/*/*/phpunit.* vendor/*/*/.gitignore vendor/*/*/.travis.yml && cd .. &&
+cd build/vendor/symfony/console/Symfony/Component/Console/ && rm -rf Tests/ *.md composer.* phpunit.* .gitignore && cd - &&
 vendor/bin/phar-composer build build/ ' . escapeshellarg($out) . ' &&
 
 php ' . escapeshellarg($out) . ' --version', $code);
diff --git a/composer.json b/composer.json
index b7aa448..837d38d 100644
--- a/composer.json
+++ b/composer.json
@@ -6,24 +6,19 @@
     "license": "MIT",
     "require": {
         "php": ">=5.3.6",
-        "clue/graph": "^0.9.0",
-        "graphp/graphviz": "^0.2.0",
+        "clue/graph": "^0.9.1",
+        "graphp/graphviz": "^0.2.2",
         "jms/composer-deps-analyzer": "0.1.*",
         "symfony/console": "^5.0 || ^4.0 || ^3.0 || ^2.1"
     },
     "require-dev": {
-        "clue/phar-composer": "^1.0",
+        "clue/phar-composer": "^1.1",
         "phpunit/phpunit": "^4.8.36"
     },
     "autoload": {
         "psr-0": { "Clue\\GraphComposer": "src/" }
     },
     "bin": [ "bin/graph-composer" ],
-    "extra": {
-        "phar": {
-            "bundler": "composer"
-        }
-    },
     "config": {
         "platform": {
             "php": "5.3.6"
diff --git a/composer.lock b/composer.lock
index 7ead00d..dbe4e8d 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,27 +4,27 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "a7158f16382fcab8c2ed71f5b46ab1dd",
+    "content-hash": "a569d04062941ac9f10a8b7f5f9df213",
     "packages": [
         {
             "name": "clue/graph",
-            "version": "v0.9.0",
+            "version": "v0.9.1",
             "source": {
                 "type": "git",
-                "url": "https://github.com/clue/graph.git",
-                "reference": "0336a4d5229fa61a20ccceaeab25e52ac9542700"
+                "url": "https://github.com/graphp/graph.git",
+                "reference": "07ce1e2f6d5be2ff600ce13660b25f25cf928c66"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/clue/graph/zipball/0336a4d5229fa61a20ccceaeab25e52ac9542700",
-                "reference": "0336a4d5229fa61a20ccceaeab25e52ac9542700",
+                "url": "https://api.github.com/repos/graphp/graph/zipball/07ce1e2f6d5be2ff600ce13660b25f25cf928c66",
+                "reference": "07ce1e2f6d5be2ff600ce13660b25f25cf928c66",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.0"
+                "php": "^7.0 || ^5.3"
             },
             "require-dev": {
-                "phpunit/phpunit": "~4.0"
+                "phpunit/phpunit": "^6.4 || ^5.7 || ^4.8.35"
             },
             "suggest": {
                 "graphp/algorithms": "Common graph algorithms, such as Dijkstra and Moore-Bellman-Ford (shortest path), minimum spanning tree (MST), Kruskal, Prim and many more..",
@@ -40,8 +40,8 @@
             "license": [
                 "MIT"
             ],
-            "description": "A mathematical graph/network library written in PHP",
-            "homepage": "https://github.com/clue/graph",
+            "description": "GraPHP is the mathematical graph/network library written in PHP.",
+            "homepage": "https://github.com/graphp/graph",
             "keywords": [
                 "edge",
                 "graph",
@@ -49,79 +49,28 @@
                 "network",
                 "vertex"
             ],
-            "time": "2015-03-07T18:11:31+00:00"
-        },
-        {
-            "name": "graphp/algorithms",
-            "version": "v0.8.1",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/graphp/algorithms.git",
-                "reference": "81db4049c35730767ec8f97fb5c4844234b86cef"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/graphp/algorithms/zipball/81db4049c35730767ec8f97fb5c4844234b86cef",
-                "reference": "81db4049c35730767ec8f97fb5c4844234b86cef",
-                "shasum": ""
-            },
-            "require": {
-                "clue/graph": "~0.9.0|~0.8.0",
-                "php": ">=5.3"
-            },
-            "require-dev": {
-                "phpunit/phpunit": "~4.0"
-            },
-            "type": "library",
-            "autoload": {
-                "psr-4": {
-                    "Graphp\\Algorithms\\": "src/"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Christian Lück",
-                    "email": "christian@lueck.tv"
-                }
-            ],
-            "description": "Common mathematical graph algorithms",
-            "homepage": "https://github.com/graphp/algorithms",
-            "keywords": [
-                "Graph algorithms",
-                "dijkstra",
-                "kruskal",
-                "minimum spanning tree",
-                "moore-bellman-ford",
-                "prim",
-                "shortest path"
-            ],
-            "time": "2015-03-08T10:12:01+00:00"
+            "time": "2019-10-02T09:10:26+00:00"
         },
         {
             "name": "graphp/graphviz",
-            "version": "v0.2.1",
+            "version": "v0.2.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/graphp/graphviz.git",
-                "reference": "2676522dfcd907fd3cb52891ea64a052c4ac4c2a"
+                "reference": "5cc4466223ca46fffa196d1e762fae164319c229"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/graphp/graphviz/zipball/2676522dfcd907fd3cb52891ea64a052c4ac4c2a",
-                "reference": "2676522dfcd907fd3cb52891ea64a052c4ac4c2a",
+                "url": "https://api.github.com/repos/graphp/graphviz/zipball/5cc4466223ca46fffa196d1e762fae164319c229",
+                "reference": "5cc4466223ca46fffa196d1e762fae164319c229",
                 "shasum": ""
             },
             "require": {
                 "clue/graph": "~0.9.0|~0.8.0",
-                "graphp/algorithms": "~0.8.0",
                 "php": ">=5.3.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "~4.0"
+                "phpunit/phpunit": "^6.4 || ^5.7 || ^4.8.35"
             },
             "type": "library",
             "autoload": {
@@ -133,15 +82,16 @@
             "license": [
                 "MIT"
             ],
-            "description": "GraphViz graph drawing for mathematical graph/network",
+            "description": "GraphViz graph drawing for the mathematical graph/network library GraPHP.",
             "homepage": "https://github.com/graphp/graphviz",
             "keywords": [
                 "dot output",
                 "graph drawing",
                 "graph image",
+                "graphp",
                 "graphviz"
             ],
-            "time": "2015-03-08T10:30:28+00:00"
+            "time": "2019-10-04T13:30:55+00:00"
         },
         {
             "name": "jms/composer-deps-analyzer",
@@ -240,34 +190,32 @@
     "packages-dev": [
         {
             "name": "clue/phar-composer",
-            "version": "v1.0.0",
+            "version": "v1.1.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/clue/phar-composer.git",
-                "reference": "3ea2cd961c45290b2578c6bf971ae028bfcd6377"
+                "reference": "597437e2c70f7b5214223b79d2fe8c3e88135842"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/clue/phar-composer/zipball/3ea2cd961c45290b2578c6bf971ae028bfcd6377",
-                "reference": "3ea2cd961c45290b2578c6bf971ae028bfcd6377",
+                "url": "https://api.github.com/repos/clue/phar-composer/zipball/597437e2c70f7b5214223b79d2fe8c3e88135842",
+                "reference": "597437e2c70f7b5214223b79d2fe8c3e88135842",
                 "shasum": ""
             },
             "require": {
-                "herrera-io/box": "~1.5",
-                "knplabs/packagist-api": "~1.0",
-                "symfony/console": "~2.1",
-                "symfony/finder": "~2.1",
-                "symfony/process": "~2.1"
+                "herrera-io/box": "^1.5",
+                "knplabs/packagist-api": "^1.0",
+                "symfony/console": "^5.0 || ^4.0 || ^3.0 || ^2.5",
+                "symfony/finder": "^5.0 || ^4.0 || ^3.0 || ^2.5",
+                "symfony/process": "^5.0 || ^4.0 || ^3.0 || ^2.5"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^4.8"
             },
             "bin": [
                 "bin/phar-composer"
             ],
             "type": "library",
-            "extra": {
-                "phar": {
-                    "bundler": "composer"
-                }
-            },
             "autoload": {
                 "psr-0": {
                     "Clue": "src/"
@@ -280,17 +228,19 @@
             "authors": [
                 {
                     "name": "Christian Lück",
-                    "email": "christian@lueck.tv"
+                    "email": "christian@clue.engineering"
                 }
             ],
-            "description": "Simple phar creation for your projects managed via composer",
+            "description": "Simple phar creation for any project managed via Composer",
             "homepage": "https://github.com/clue/phar-composer",
             "keywords": [
                 "build process",
                 "bundle dependencies",
-                "executable phar"
+                "composer",
+                "executable phar",
+                "phar"
             ],
-            "time": "2015-11-15T18:36:37+00:00"
+            "time": "2019-11-22T07:57:12+00:00"
         },
         {
             "name": "doctrine/inflector",
@@ -414,83 +364,70 @@
             "time": "2015-06-14T21:17:01+00:00"
         },
         {
-            "name": "guzzle/common",
-            "version": "v3.9.2",
-            "target-dir": "Guzzle/Common",
+            "name": "guzzle/guzzle",
+            "version": "v3.9.3",
             "source": {
                 "type": "git",
-                "url": "https://github.com/Guzzle3/common.git",
-                "reference": "2e36af7cf2ce3ea1f2d7c2831843b883a8e7b7dc"
+                "url": "https://github.com/guzzle/guzzle3.git",
+                "reference": "0645b70d953bc1c067bbc8d5bc53194706b628d9"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/Guzzle3/common/zipball/2e36af7cf2ce3ea1f2d7c2831843b883a8e7b7dc",
-                "reference": "2e36af7cf2ce3ea1f2d7c2831843b883a8e7b7dc",
+                "url": "https://api.github.com/repos/guzzle/guzzle3/zipball/0645b70d953bc1c067bbc8d5bc53194706b628d9",
+                "reference": "0645b70d953bc1c067bbc8d5bc53194706b628d9",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.2",
-                "symfony/event-dispatcher": ">=2.1"
-            },
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "3.7-dev"
-                }
-            },
-            "autoload": {
-                "psr-0": {
-                    "Guzzle\\Common": ""
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "description": "Common libraries used by Guzzle",
-            "homepage": "http://guzzlephp.org/",
-            "keywords": [
-                "collection",
-                "common",
-                "event",
-                "exception"
-            ],
-            "abandoned": "guzzle/guzzle",
-            "time": "2014-08-11T04:32:36+00:00"
-        },
-        {
-            "name": "guzzle/http",
-            "version": "v3.9.2",
-            "target-dir": "Guzzle/Http",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/Guzzle3/http.git",
-                "reference": "1e8dd1e2ba9dc42332396f39fbfab950b2301dc5"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/Guzzle3/http/zipball/1e8dd1e2ba9dc42332396f39fbfab950b2301dc5",
-                "reference": "1e8dd1e2ba9dc42332396f39fbfab950b2301dc5",
-                "shasum": ""
+                "ext-curl": "*",
+                "php": ">=5.3.3",
+                "symfony/event-dispatcher": "~2.1"
             },
-            "require": {
+            "replace": {
+                "guzzle/batch": "self.version",
+                "guzzle/cache": "self.version",
                 "guzzle/common": "self.version",
+                "guzzle/http": "self.version",
+                "guzzle/inflection": "self.version",
+                "guzzle/iterator": "self.version",
+                "guzzle/log": "self.version",
                 "guzzle/parser": "self.version",
-                "guzzle/stream": "self.version",
-                "php": ">=5.3.2"
+                "guzzle/plugin": "self.version",
+                "guzzle/plugin-async": "self.version",
+                "guzzle/plugin-backoff": "self.version",
+                "guzzle/plugin-cache": "self.version",
+                "guzzle/plugin-cookie": "self.version",
+                "guzzle/plugin-curlauth": "self.version",
+                "guzzle/plugin-error-response": "self.version",
+                "guzzle/plugin-history": "self.version",
+                "guzzle/plugin-log": "self.version",
+                "guzzle/plugin-md5": "self.version",
+                "guzzle/plugin-mock": "self.version",
+                "guzzle/plugin-oauth": "self.version",
+                "guzzle/service": "self.version",
+                "guzzle/stream": "self.version"
+            },
+            "require-dev": {
+                "doctrine/cache": "~1.3",
+                "monolog/monolog": "~1.0",
+                "phpunit/phpunit": "3.7.*",
+                "psr/log": "~1.0",
+                "symfony/class-loader": "~2.1",
+                "zendframework/zend-cache": "2.*,<2.3",
+                "zendframework/zend-log": "2.*,<2.3"
             },
             "suggest": {
-                "ext-curl": "*"
+                "guzzlehttp/guzzle": "Guzzle 5 has moved to a new package name. The package you have installed, Guzzle 3, is deprecated."
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.7-dev"
+                    "dev-master": "3.9-dev"
                 }
             },
             "autoload": {
                 "psr-0": {
-                    "Guzzle\\Http": ""
+                    "Guzzle": "src/",
+                    "Guzzle\\Tests": "tests/"
                 }
             },
             "notification-url": "https://packagist.org/downloads/",
@@ -502,118 +439,25 @@
                     "name": "Michael Dowling",
                     "email": "mtdowling@gmail.com",
                     "homepage": "https://github.com/mtdowling"
+                },
+                {
+                    "name": "Guzzle Community",
+                    "homepage": "https://github.com/guzzle/guzzle/contributors"
                 }
             ],
-            "description": "HTTP libraries used by Guzzle",
+            "description": "PHP HTTP client. This library is deprecated in favor of https://packagist.org/packages/guzzlehttp/guzzle",
             "homepage": "http://guzzlephp.org/",
             "keywords": [
-                "Guzzle",
                 "client",
                 "curl",
+                "framework",
                 "http",
-                "http client"
+                "http client",
+                "rest",
+                "web service"
             ],
-            "abandoned": "guzzle/guzzle",
-            "time": "2014-08-11T04:32:36+00:00"
-        },
-        {
-            "name": "guzzle/parser",
-            "version": "v3.9.2",
-            "target-dir": "Guzzle/Parser",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/Guzzle3/parser.git",
-                "reference": "6874d171318a8e93eb6d224cf85e4678490b625c"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/Guzzle3/parser/zipball/6874d171318a8e93eb6d224cf85e4678490b625c",
-                "reference": "6874d171318a8e93eb6d224cf85e4678490b625c",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=5.3.2"
-            },
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "3.7-dev"
-                }
-            },
-            "autoload": {
-                "psr-0": {
-                    "Guzzle\\Parser": ""
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "description": "Interchangeable parsers used by Guzzle",
-            "homepage": "http://guzzlephp.org/",
-            "keywords": [
-                "URI Template",
-                "cookie",
-                "http",
-                "message",
-                "url"
-            ],
-            "abandoned": "guzzle/guzzle",
-            "time": "2014-02-05T18:29:46+00:00"
-        },
-        {
-            "name": "guzzle/stream",
-            "version": "v3.9.2",
-            "target-dir": "Guzzle/Stream",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/Guzzle3/stream.git",
-                "reference": "60c7fed02e98d2c518dae8f97874c8f4622100f0"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/Guzzle3/stream/zipball/60c7fed02e98d2c518dae8f97874c8f4622100f0",
-                "reference": "60c7fed02e98d2c518dae8f97874c8f4622100f0",
-                "shasum": ""
-            },
-            "require": {
-                "guzzle/common": "self.version",
-                "php": ">=5.3.2"
-            },
-            "suggest": {
-                "guzzle/http": "To convert Guzzle request objects to PHP streams"
-            },
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "3.7-dev"
-                }
-            },
-            "autoload": {
-                "psr-0": {
-                    "Guzzle\\Stream": ""
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Michael Dowling",
-                    "email": "mtdowling@gmail.com",
-                    "homepage": "https://github.com/mtdowling"
-                }
-            ],
-            "description": "Guzzle stream wrapper component",
-            "homepage": "http://guzzlephp.org/",
-            "keywords": [
-                "Guzzle",
-                "component",
-                "stream"
-            ],
-            "abandoned": "guzzle/guzzle",
-            "time": "2014-05-01T21:36:02+00:00"
+            "abandoned": "guzzlehttp/guzzle",
+            "time": "2015-03-18T18:23:50+00:00"
         },
         {
             "name": "herrera-io/box",
@@ -677,21 +521,21 @@
         },
         {
             "name": "knplabs/packagist-api",
-            "version": "v1.2",
+            "version": "1.3.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/KnpLabs/packagist-api.git",
-                "reference": "22eef9dfc163da33e78af2ae1487966774b54db5"
+                "reference": "9aebf8238943289d3bc3ab51e0014ed94a7a266a"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/KnpLabs/packagist-api/zipball/22eef9dfc163da33e78af2ae1487966774b54db5",
-                "reference": "22eef9dfc163da33e78af2ae1487966774b54db5",
+                "url": "https://api.github.com/repos/KnpLabs/packagist-api/zipball/9aebf8238943289d3bc3ab51e0014ed94a7a266a",
+                "reference": "9aebf8238943289d3bc3ab51e0014ed94a7a266a",
                 "shasum": ""
             },
             "require": {
                 "doctrine/inflector": "~1.0",
-                "guzzle/http": "~3.0",
+                "guzzle/guzzle": "~3.0",
                 "php": ">=5.3.2"
             },
             "require-dev": {
@@ -726,7 +570,7 @@
                 "composer",
                 "packagist"
             ],
-            "time": "2014-09-17T13:49:46+00:00"
+            "time": "2015-09-07T14:25:16+00:00"
         },
         {
             "name": "phine/exception",
@@ -882,38 +726,38 @@
         },
         {
             "name": "phpspec/prophecy",
-            "version": "1.8.0",
+            "version": "v1.10.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpspec/prophecy.git",
-                "reference": "4ba436b55987b4bf311cb7c6ba82aa528aac0a06"
+                "reference": "451c3cd1418cf640de218914901e51b064abb093"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpspec/prophecy/zipball/4ba436b55987b4bf311cb7c6ba82aa528aac0a06",
-                "reference": "4ba436b55987b4bf311cb7c6ba82aa528aac0a06",
+                "url": "https://api.github.com/repos/phpspec/prophecy/zipball/451c3cd1418cf640de218914901e51b064abb093",
+                "reference": "451c3cd1418cf640de218914901e51b064abb093",
                 "shasum": ""
             },
             "require": {
                 "doctrine/instantiator": "^1.0.2",
                 "php": "^5.3|^7.0",
-                "phpdocumentor/reflection-docblock": "^2.0|^3.0.2|^4.0",
-                "sebastian/comparator": "^1.1|^2.0|^3.0",
-                "sebastian/recursion-context": "^1.0|^2.0|^3.0"
+                "phpdocumentor/reflection-docblock": "^2.0|^3.0.2|^4.0|^5.0",
+                "sebastian/comparator": "^1.2.3|^2.0|^3.0|^4.0",
+                "sebastian/recursion-context": "^1.0|^2.0|^3.0|^4.0"
             },
             "require-dev": {
-                "phpspec/phpspec": "^2.5|^3.2",
+                "phpspec/phpspec": "^2.5 || ^3.2",
                 "phpunit/phpunit": "^4.8.35 || ^5.7 || ^6.5 || ^7.1"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.8.x-dev"
+                    "dev-master": "1.10.x-dev"
                 }
             },
             "autoload": {
-                "psr-0": {
-                    "Prophecy\\": "src/"
+                "psr-4": {
+                    "Prophecy\\": "src/Prophecy"
                 }
             },
             "notification-url": "https://packagist.org/downloads/",
@@ -941,7 +785,7 @@
                 "spy",
                 "stub"
             ],
-            "time": "2018-08-05T17:53:17+00:00"
+            "time": "2020-03-05T15:02:03+00:00"
         },
         {
             "name": "phpunit/php-code-coverage",
@@ -1959,5 +1803,6 @@
     "platform-dev": [],
     "platform-overrides": {
         "php": "5.3.6"
-    }
+    },
+    "plugin-api-version": "1.1.0"
 }