diff --git a/.scrutinizer.yml b/.scrutinizer.yml
new file mode 100644
index 0000000..ab3e397
--- /dev/null
+++ b/.scrutinizer.yml
@@ -0,0 +1,10 @@
+imports:
+    - php
+
+tools:
+    external_code_coverage:
+        timeout: 2100 # Timeout in seconds.
+    # disable copy paste detector and similarity analyzer as they have no real value
+    # and a huge bunch of false-positives
+    php_sim: false
+    php_cpd: false
\ No newline at end of file
diff --git a/composer.lock b/composer.lock
index 38d74e9..e8d6947 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,8 +4,8 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "hash": "da9730215b7aaa2718482666a3db479c",
-    "content-hash": "e59e6b3de7f9578aeb92bd29dfc09a4a",
+    "hash": "287b071141e150ce85e6e9ca30c98b92",
+    "content-hash": "0b184715ca3373e4656efce4185ab502",
     "packages": [
         {
             "name": "guzzlehttp/guzzle",
@@ -313,6 +313,48 @@
             ],
             "time": "2015-06-14 21:17:01"
         },
+        {
+            "name": "myclabs/deep-copy",
+            "version": "1.5.5",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/myclabs/DeepCopy.git",
+                "reference": "399c1f9781e222f6eb6cc238796f5200d1b7f108"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/myclabs/DeepCopy/zipball/399c1f9781e222f6eb6cc238796f5200d1b7f108",
+                "reference": "399c1f9781e222f6eb6cc238796f5200d1b7f108",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.4.0"
+            },
+            "require-dev": {
+                "doctrine/collections": "1.*",
+                "phpunit/phpunit": "~4.1"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "DeepCopy\\": "src/DeepCopy/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "description": "Create deep copies (clones) of your objects",
+            "homepage": "https://github.com/myclabs/DeepCopy",
+            "keywords": [
+                "clone",
+                "copy",
+                "duplicate",
+                "object",
+                "object graph"
+            ],
+            "time": "2016-10-31 17:19:45"
+        },
         {
             "name": "phpdocumentor/reflection-common",
             "version": "1.0",
@@ -524,39 +566,40 @@
         },
         {
             "name": "phpunit/php-code-coverage",
-            "version": "2.2.4",
+            "version": "4.0.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/php-code-coverage.git",
-                "reference": "eabf68b476ac7d0f73793aada060f1c1a9bf8979"
+                "reference": "903fd6318d0a90b4770a009ff73e4a4e9c437929"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/php-code-coverage/zipball/eabf68b476ac7d0f73793aada060f1c1a9bf8979",
-                "reference": "eabf68b476ac7d0f73793aada060f1c1a9bf8979",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-code-coverage/zipball/903fd6318d0a90b4770a009ff73e4a4e9c437929",
+                "reference": "903fd6318d0a90b4770a009ff73e4a4e9c437929",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.3",
+                "php": "^5.6 || ^7.0",
                 "phpunit/php-file-iterator": "~1.3",
                 "phpunit/php-text-template": "~1.2",
-                "phpunit/php-token-stream": "~1.3",
-                "sebastian/environment": "^1.3.2",
-                "sebastian/version": "~1.0"
+                "phpunit/php-token-stream": "^1.4.2",
+                "sebastian/code-unit-reverse-lookup": "~1.0",
+                "sebastian/environment": "^1.3.2 || ^2.0",
+                "sebastian/version": "~1.0|~2.0"
             },
             "require-dev": {
                 "ext-xdebug": ">=2.1.4",
-                "phpunit/phpunit": "~4"
+                "phpunit/phpunit": "^5.4"
             },
             "suggest": {
                 "ext-dom": "*",
-                "ext-xdebug": ">=2.2.1",
+                "ext-xdebug": ">=2.4.0",
                 "ext-xmlwriter": "*"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.2.x-dev"
+                    "dev-master": "4.0.x-dev"
                 }
             },
             "autoload": {
@@ -582,7 +625,7 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2015-10-06 15:47:00"
+            "time": "2016-11-28 16:00:31"
         },
         {
             "name": "phpunit/php-file-iterator",
@@ -767,40 +810,50 @@
         },
         {
             "name": "phpunit/phpunit",
-            "version": "4.8.31",
+            "version": "5.7.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "98b2b39a520766bec663ff5b7ff1b729db9dbfe3"
+                "reference": "de164acc2f2bb0b79beb892a36260264b2a03233"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/98b2b39a520766bec663ff5b7ff1b729db9dbfe3",
-                "reference": "98b2b39a520766bec663ff5b7ff1b729db9dbfe3",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/de164acc2f2bb0b79beb892a36260264b2a03233",
+                "reference": "de164acc2f2bb0b79beb892a36260264b2a03233",
                 "shasum": ""
             },
             "require": {
                 "ext-dom": "*",
                 "ext-json": "*",
-                "ext-pcre": "*",
-                "ext-reflection": "*",
-                "ext-spl": "*",
-                "php": ">=5.3.3",
-                "phpspec/prophecy": "^1.3.1",
-                "phpunit/php-code-coverage": "~2.1",
+                "ext-libxml": "*",
+                "ext-mbstring": "*",
+                "ext-xml": "*",
+                "myclabs/deep-copy": "~1.3",
+                "php": "^5.6 || ^7.0",
+                "phpspec/prophecy": "^1.6.2",
+                "phpunit/php-code-coverage": "^4.0.3",
                 "phpunit/php-file-iterator": "~1.4",
                 "phpunit/php-text-template": "~1.2",
                 "phpunit/php-timer": "^1.0.6",
-                "phpunit/phpunit-mock-objects": "~2.3",
+                "phpunit/phpunit-mock-objects": "^3.2",
                 "sebastian/comparator": "~1.2.2",
                 "sebastian/diff": "~1.2",
-                "sebastian/environment": "~1.3",
-                "sebastian/exporter": "~1.2",
+                "sebastian/environment": "^1.3.4 || ^2.0",
+                "sebastian/exporter": "~2.0",
                 "sebastian/global-state": "~1.0",
-                "sebastian/version": "~1.0",
+                "sebastian/object-enumerator": "~2.0",
+                "sebastian/resource-operations": "~1.0",
+                "sebastian/version": "~1.0|~2.0",
                 "symfony/yaml": "~2.1|~3.0"
             },
+            "conflict": {
+                "phpdocumentor/reflection-docblock": "3.0.2"
+            },
+            "require-dev": {
+                "ext-pdo": "*"
+            },
             "suggest": {
+                "ext-xdebug": "*",
                 "phpunit/php-invoker": "~1.1"
             },
             "bin": [
@@ -809,7 +862,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "4.8.x-dev"
+                    "dev-master": "5.7.x-dev"
                 }
             },
             "autoload": {
@@ -835,30 +888,33 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2016-12-09 02:45:31"
+            "time": "2016-12-09 02:48:53"
         },
         {
             "name": "phpunit/phpunit-mock-objects",
-            "version": "2.3.8",
+            "version": "3.4.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit-mock-objects.git",
-                "reference": "ac8e7a3db35738d56ee9a76e78a4e03d97628983"
+                "reference": "3ab72b65b39b491e0c011e2e09bb2206c2aa8e24"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit-mock-objects/zipball/ac8e7a3db35738d56ee9a76e78a4e03d97628983",
-                "reference": "ac8e7a3db35738d56ee9a76e78a4e03d97628983",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit-mock-objects/zipball/3ab72b65b39b491e0c011e2e09bb2206c2aa8e24",
+                "reference": "3ab72b65b39b491e0c011e2e09bb2206c2aa8e24",
                 "shasum": ""
             },
             "require": {
                 "doctrine/instantiator": "^1.0.2",
-                "php": ">=5.3.3",
-                "phpunit/php-text-template": "~1.2",
-                "sebastian/exporter": "~1.2"
+                "php": "^5.6 || ^7.0",
+                "phpunit/php-text-template": "^1.2",
+                "sebastian/exporter": "^1.2 || ^2.0"
+            },
+            "conflict": {
+                "phpunit/phpunit": "<5.4.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "~4.4"
+                "phpunit/phpunit": "^5.4"
             },
             "suggest": {
                 "ext-soap": "*"
@@ -866,7 +922,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.3.x-dev"
+                    "dev-master": "3.2.x-dev"
                 }
             },
             "autoload": {
@@ -891,7 +947,52 @@
                 "mock",
                 "xunit"
             ],
-            "time": "2015-10-02 06:51:40"
+            "time": "2016-12-08 20:27:08"
+        },
+        {
+            "name": "sebastian/code-unit-reverse-lookup",
+            "version": "1.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/code-unit-reverse-lookup.git",
+                "reference": "c36f5e7cfce482fde5bf8d10d41a53591e0198fe"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/sebastianbergmann/code-unit-reverse-lookup/zipball/c36f5e7cfce482fde5bf8d10d41a53591e0198fe",
+                "reference": "c36f5e7cfce482fde5bf8d10d41a53591e0198fe",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.6"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "~5"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0.x-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de"
+                }
+            ],
+            "description": "Looks up which function or method a line of code belongs to",
+            "homepage": "https://github.com/sebastianbergmann/code-unit-reverse-lookup/",
+            "time": "2016-02-13 06:45:14"
         },
         {
             "name": "sebastian/comparator",
@@ -1011,28 +1112,28 @@
         },
         {
             "name": "sebastian/environment",
-            "version": "1.3.8",
+            "version": "2.0.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/environment.git",
-                "reference": "be2c607e43ce4c89ecd60e75c6a85c126e754aea"
+                "reference": "5795ffe5dc5b02460c3e34222fee8cbe245d8fac"
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-                "url": "https://api.github.com/repos/sebastianbergmann/environment/zipball/be2c607e43ce4c89ecd60e75c6a85c126e754aea",
-                "reference": "be2c607e43ce4c89ecd60e75c6a85c126e754aea",
+                "url": "https://api.github.com/repos/sebastianbergmann/environment/zipball/5795ffe5dc5b02460c3e34222fee8cbe245d8fac",
+                "reference": "5795ffe5dc5b02460c3e34222fee8cbe245d8fac",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.3.3 || ^7.0"
+                "php": "^5.6 || ^7.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "^4.8 || ^5.0"
+                "phpunit/phpunit": "^5.0"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.3.x-dev"
+                    "dev-master": "2.0.x-dev"
                 }
             },
             "autoload": {
@@ -1057,25 +1158,25 @@
                 "environment",
                 "hhvm"
             ],
-            "time": "2016-08-18 05:49:44"
+            "time": "2016-11-26 07:53:53"
         },
         {
             "name": "sebastian/exporter",
-            "version": "1.2.2",
+            "version": "2.0.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/exporter.git",
-                "reference": "42c4c2eec485ee3e159ec9884f95b431287edde4"
+                "reference": "ce474bdd1a34744d7ac5d6aad3a46d48d9bac4c4"
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             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/exporter/zipball/42c4c2eec485ee3e159ec9884f95b431287edde4",
-                "reference": "42c4c2eec485ee3e159ec9884f95b431287edde4",
+                "url": "https://api.github.com/repos/sebastianbergmann/exporter/zipball/ce474bdd1a34744d7ac5d6aad3a46d48d9bac4c4",
+                "reference": "ce474bdd1a34744d7ac5d6aad3a46d48d9bac4c4",
                 "shasum": ""
             },
             "require": {
                 "php": ">=5.3.3",
-                "sebastian/recursion-context": "~1.0"
+                "sebastian/recursion-context": "~2.0"
             },
             "require-dev": {
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@@ -1084,7 +1185,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.3.x-dev"
+                    "dev-master": "2.0.x-dev"
                 }
             },
             "autoload": {
@@ -1124,7 +1225,7 @@
                 "export",
                 "exporter"
             ],
-            "time": "2016-06-17 09:04:28"
+            "time": "2016-11-19 08:54:04"
         },
         {
             "name": "sebastian/global-state",
@@ -1177,18 +1278,64 @@
             ],
             "time": "2015-10-12 03:26:01"
         },
+        {
+            "name": "sebastian/object-enumerator",
+            "version": "2.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/object-enumerator.git",
+                "reference": "96f8a3f257b69e8128ad74d3a7fd464bcbaa3b35"
+            },
+            "dist": {
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+                "url": "https://api.github.com/repos/sebastianbergmann/object-enumerator/zipball/96f8a3f257b69e8128ad74d3a7fd464bcbaa3b35",
+                "reference": "96f8a3f257b69e8128ad74d3a7fd464bcbaa3b35",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.6",
+                "sebastian/recursion-context": "~2.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "~5"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.0.x-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de"
+                }
+            ],
+            "description": "Traverses array structures and object graphs to enumerate all referenced objects",
+            "homepage": "https://github.com/sebastianbergmann/object-enumerator/",
+            "time": "2016-11-19 07:35:10"
+        },
         {
             "name": "sebastian/recursion-context",
-            "version": "1.0.2",
+            "version": "2.0.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/recursion-context.git",
-                "reference": "913401df809e99e4f47b27cdd781f4a258d58791"
+                "reference": "2c3ba150cbec723aa057506e73a8d33bdb286c9a"
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-                "url": "https://api.github.com/repos/sebastianbergmann/recursion-context/zipball/913401df809e99e4f47b27cdd781f4a258d58791",
-                "reference": "913401df809e99e4f47b27cdd781f4a258d58791",
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+                "reference": "2c3ba150cbec723aa057506e73a8d33bdb286c9a",
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             "require": {
@@ -1200,7 +1347,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.0.x-dev"
+                    "dev-master": "2.0.x-dev"
                 }
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@@ -1228,23 +1375,73 @@
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             "description": "Provides functionality to recursively process PHP variables",
             "homepage": "http://www.github.com/sebastianbergmann/recursion-context",
-            "time": "2015-11-11 19:50:13"
+            "time": "2016-11-19 07:33:16"
+        },
+        {
+            "name": "sebastian/resource-operations",
+            "version": "1.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/resource-operations.git",
+                "reference": "ce990bb21759f94aeafd30209e8cfcdfa8bc3f52"
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+            "dist": {
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+                "url": "https://api.github.com/repos/sebastianbergmann/resource-operations/zipball/ce990bb21759f94aeafd30209e8cfcdfa8bc3f52",
+                "reference": "ce990bb21759f94aeafd30209e8cfcdfa8bc3f52",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.6.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0.x-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de"
+                }
+            ],
+            "description": "Provides a list of PHP built-in functions that operate on resources",
+            "homepage": "https://www.github.com/sebastianbergmann/resource-operations",
+            "time": "2015-07-28 20:34:47"
         },
         {
             "name": "sebastian/version",
-            "version": "1.0.6",
+            "version": "2.0.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/version.git",
-                "reference": "58b3a85e7999757d6ad81c787a1fbf5ff6c628c6"
+                "reference": "99732be0ddb3361e16ad77b68ba41efc8e979019"
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-                "reference": "58b3a85e7999757d6ad81c787a1fbf5ff6c628c6",
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+                "reference": "99732be0ddb3361e16ad77b68ba41efc8e979019",
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+            "require": {
+                "php": ">=5.6"
+            },
             "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.0.x-dev"
+                }
+            },
             "autoload": {
                 "classmap": [
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@@ -1263,7 +1460,7 @@
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             "homepage": "https://github.com/sebastianbergmann/version",
-            "time": "2015-06-21 13:59:46"
+            "time": "2016-10-03 07:35:21"
         },
         {
             "name": "symfony/yaml",
@@ -1377,7 +1574,7 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": ">=5.4"
+        "php": "^5.5|^7.0"
     },
     "platform-dev": []
 }