diff --git a/composer.json b/composer.json
index 00c01c1..61040a1 100644
--- a/composer.json
+++ b/composer.json
@@ -18,9 +18,9 @@
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         "php": ">=5.4",
-        "symfony/http-kernel": "^3.0",
-        "symfony/serializer": "^3.0",
-		"symfony/property-access": "^3.0",
+        "symfony/http-kernel": "^2.8",
+        "symfony/serializer": "^2.8",
+		"symfony/property-access": "^2.8",
         "justinrainbow/json-schema": "^1.6",
         "jrfnl/PHP-cast-to-type": "^2.0",
         "willdurand/negotiation": "^2.0",
diff --git a/composer.lock b/composer.lock
index 3e621e2..df7d13c 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,9 +4,51 @@
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-    "content-hash": "949bd13e56616abe9922c448edbcb60d",
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+    "content-hash": "45c3dd516d4423643ac66b73d183570d",
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+            "name": "ircmaxell/password-compat",
+            "version": "v1.0.4",
+            "source": {
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+                "url": "https://github.com/ircmaxell/password_compat.git",
+                "reference": "5c5cde8822a69545767f7c7f3058cb15ff84614c"
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+            },
+            "require-dev": {
+                "phpunit/phpunit": "4.*"
+            },
+            "type": "library",
+            "autoload": {
+                "files": [
+                    "lib/password.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Anthony Ferrara",
+                    "email": "ircmaxell@php.net",
+                    "homepage": "http://blog.ircmaxell.com"
+                }
+            ],
+            "description": "A compatibility library for the proposed simplified password hashing algorithm: https://wiki.php.net/rfc/password_hash",
+            "homepage": "https://github.com/ircmaxell/password_compat",
+            "keywords": [
+                "hashing",
+                "password"
+            ],
+            "time": "2014-11-20 16:49:30"
+        },
         {
             "name": "jrfnl/php-cast-to-type",
             "version": "2.0",
@@ -116,54 +158,6 @@
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-            "require-dev": {
-                "phpunit/phpunit": "4.*|5.*"
-            },
-            "suggest": {
-                "ext-libsodium": "Provides a modern crypto API that can be used to generate random bytes."
-            },
-            "type": "library",
-            "autoload": {
-                "files": [
-                    "lib/random.php"
-                ]
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Paragon Initiative Enterprises",
-                    "email": "security@paragonie.com",
-                    "homepage": "https://paragonie.com"
-                }
-            ],
-            "description": "PHP 5.x polyfill for random_bytes() and random_int() from PHP 7",
-            "keywords": [
-                "csprng",
-                "pseudorandom",
-                "random"
-            ],
-            "time": "2016-04-03 06:00:07"
-        },
         {
             "name": "psr/log",
             "version": "1.0.0",
@@ -244,33 +238,33 @@
         },
         {
             "name": "symfony/debug",
-            "version": "v3.1.2",
+            "version": "v2.8.8",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/debug.git",
-                "reference": "06e2d52e307ef880ac739f44ee6c2418ca9e3283"
+                "reference": "2477199ad1dd1c43fe18a84d7907fffa025eff10"
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-                "reference": "06e2d52e307ef880ac739f44ee6c2418ca9e3283",
+                "url": "https://api.github.com/repos/symfony/debug/zipball/2477199ad1dd1c43fe18a84d7907fffa025eff10",
+                "reference": "2477199ad1dd1c43fe18a84d7907fffa025eff10",
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             },
             "require": {
-                "php": ">=5.5.9",
+                "php": ">=5.3.9",
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             },
             "require-dev": {
-                "symfony/class-loader": "~2.8|~3.0",
-                "symfony/http-kernel": "~2.8|~3.0"
+                "symfony/class-loader": "~2.2|~3.0.0",
+                "symfony/http-kernel": "~2.3.24|~2.5.9|~2.6,>=2.6.2|~3.0.0"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.1-dev"
+                    "dev-master": "2.8-dev"
                 }
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@@ -297,20 +291,20 @@
             ],
             "description": "Symfony Debug Component",
             "homepage": "https://symfony.com",
-            "time": "2016-06-29 05:41:56"
+            "time": "2016-06-29 05:29:29"
         },
         {
             "name": "symfony/event-dispatcher",
-            "version": "v3.1.2",
+            "version": "v3.0.8",
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                 "url": "https://github.com/symfony/event-dispatcher.git",
-                "reference": "7f9839ede2070f53e7e2f0849b9bd14748c434c5"
+                "reference": "43e9a14f71db135da5c75dd5d383ecff6ada920e"
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-                "reference": "7f9839ede2070f53e7e2f0849b9bd14748c434c5",
+                "url": "https://api.github.com/repos/symfony/event-dispatcher/zipball/43e9a14f71db135da5c75dd5d383ecff6ada920e",
+                "reference": "43e9a14f71db135da5c75dd5d383ecff6ada920e",
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@@ -330,7 +324,7 @@
             "type": "library",
             "extra": {
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-                    "dev-master": "3.1-dev"
+                    "dev-master": "3.0-dev"
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@@ -357,20 +351,20 @@
             ],
             "description": "Symfony EventDispatcher Component",
             "homepage": "https://symfony.com",
-            "time": "2016-06-29 05:41:56"
+            "time": "2016-06-29 05:40:00"
         },
         {
             "name": "symfony/http-foundation",
-            "version": "v3.1.2",
+            "version": "v3.0.8",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/http-foundation.git",
-                "reference": "6b5a3764c5b0ce1f0ec3b8be5bba969122a78cfc"
+                "reference": "1341139f906d295baa4f4abd55293d07e25a065a"
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-                "reference": "6b5a3764c5b0ce1f0ec3b8be5bba969122a78cfc",
+                "url": "https://api.github.com/repos/symfony/http-foundation/zipball/1341139f906d295baa4f4abd55293d07e25a065a",
+                "reference": "1341139f906d295baa4f4abd55293d07e25a065a",
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@@ -383,7 +377,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.1-dev"
+                    "dev-master": "3.0-dev"
                 }
             },
             "autoload": {
@@ -410,48 +404,48 @@
             ],
             "description": "Symfony HttpFoundation Component",
             "homepage": "https://symfony.com",
-            "time": "2016-06-29 07:02:31"
+            "time": "2016-06-29 07:02:21"
         },
         {
             "name": "symfony/http-kernel",
-            "version": "v3.1.2",
+            "version": "v2.8.8",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/http-kernel.git",
-                "reference": "3a1ce1829128988826739bd9dd820f3238b92d65"
+                "reference": "2e887a1196c961a0e441f5be87908a5425be015c"
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-                "reference": "3a1ce1829128988826739bd9dd820f3238b92d65",
+                "url": "https://api.github.com/repos/symfony/http-kernel/zipball/2e887a1196c961a0e441f5be87908a5425be015c",
+                "reference": "2e887a1196c961a0e441f5be87908a5425be015c",
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             },
             "require": {
-                "php": ">=5.5.9",
+                "php": ">=5.3.9",
                 "psr/log": "~1.0",
-                "symfony/debug": "~2.8|~3.0",
-                "symfony/event-dispatcher": "~2.8|~3.0",
-                "symfony/http-foundation": "~2.8.8|~3.0.8|~3.1.2|~3.2"
+                "symfony/debug": "~2.6,>=2.6.2",
+                "symfony/event-dispatcher": "~2.6,>=2.6.7|~3.0.0",
+                "symfony/http-foundation": "~2.7.15|~2.8.8|~3.0.8"
             },
             "conflict": {
-                "symfony/config": "<2.8"
+                "symfony/config": "<2.7"
             },
             "require-dev": {
-                "symfony/browser-kit": "~2.8|~3.0",
-                "symfony/class-loader": "~2.8|~3.0",
-                "symfony/config": "~2.8|~3.0",
-                "symfony/console": "~2.8|~3.0",
-                "symfony/css-selector": "~2.8|~3.0",
-                "symfony/dependency-injection": "~2.8|~3.0",
-                "symfony/dom-crawler": "~2.8|~3.0",
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-                "symfony/routing": "~2.8|~3.0",
-                "symfony/stopwatch": "~2.8|~3.0",
-                "symfony/templating": "~2.8|~3.0",
-                "symfony/translation": "~2.8|~3.0",
-                "symfony/var-dumper": "~2.8|~3.0"
+                "symfony/browser-kit": "~2.3|~3.0.0",
+                "symfony/class-loader": "~2.1|~3.0.0",
+                "symfony/config": "~2.8",
+                "symfony/console": "~2.3|~3.0.0",
+                "symfony/css-selector": "~2.0,>=2.0.5|~3.0.0",
+                "symfony/dependency-injection": "~2.8|~3.0.0",
+                "symfony/dom-crawler": "~2.0,>=2.0.5|~3.0.0",
+                "symfony/expression-language": "~2.4|~3.0.0",
+                "symfony/finder": "~2.0,>=2.0.5|~3.0.0",
+                "symfony/process": "~2.0,>=2.0.5|~3.0.0",
+                "symfony/routing": "~2.8|~3.0.0",
+                "symfony/stopwatch": "~2.3|~3.0.0",
+                "symfony/templating": "~2.2|~3.0.0",
+                "symfony/translation": "~2.0,>=2.0.5|~3.0.0",
+                "symfony/var-dumper": "~2.6|~3.0.0"
             },
             "suggest": {
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@@ -465,7 +459,7 @@
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             "extra": {
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-                    "dev-master": "3.1-dev"
+                    "dev-master": "2.8-dev"
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@@ -492,64 +486,7 @@
             ],
             "description": "Symfony HttpKernel Component",
             "homepage": "https://symfony.com",
-            "time": "2016-06-30 17:16:01"
-        },
-        {
-            "name": "symfony/inflector",
-            "version": "v3.1.2",
-            "source": {
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-                "url": "https://github.com/symfony/inflector.git",
-                "reference": "1ea83acdd81053bdf35ccf3ee91f01b243664b61"
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-            "type": "library",
-            "extra": {
-                "branch-alias": {
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-                }
-            },
-            "autoload": {
-                "psr-4": {
-                    "Symfony\\Component\\Inflector\\": ""
-                },
-                "exclude-from-classmap": [
-                    "/Tests/"
-                ]
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Bernhard Schussek",
-                    "email": "bschussek@gmail.com"
-                },
-                {
-                    "name": "Symfony Community",
-                    "homepage": "https://symfony.com/contributors"
-                }
-            ],
-            "description": "Symfony Inflector Component",
-            "homepage": "https://symfony.com",
-            "keywords": [
-                "inflection",
-                "pluralize",
-                "singularize",
-                "string",
-                "symfony",
-                "words"
-            ],
-            "time": "2016-06-08 11:24:07"
+            "time": "2016-06-30 15:42:15"
         },
         {
             "name": "symfony/polyfill-mbstring",
@@ -611,21 +548,21 @@
             "time": "2016-05-18 14:26:46"
         },
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-            "name": "symfony/polyfill-php70",
+            "name": "symfony/polyfill-php55",
             "version": "v1.2.0",
             "source": {
                 "type": "git",
-                "url": "https://github.com/symfony/polyfill-php70.git",
-                "reference": "a42f4b6b05ed458910f8af4c4e1121b0101b2d85"
+                "url": "https://github.com/symfony/polyfill-php55.git",
+                "reference": "bf2ff9ad6be1a4772cb873e4eea94d70daa95c6d"
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-                "reference": "a42f4b6b05ed458910f8af4c4e1121b0101b2d85",
+                "url": "https://api.github.com/repos/symfony/polyfill-php55/zipball/bf2ff9ad6be1a4772cb873e4eea94d70daa95c6d",
+                "reference": "bf2ff9ad6be1a4772cb873e4eea94d70daa95c6d",
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             "require": {
-                "paragonie/random_compat": "~1.0|~2.0",
+                "ircmaxell/password-compat": "~1.0",
                 "php": ">=5.3.3"
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@@ -636,13 +573,10 @@
             },
             "autoload": {
                 "psr-4": {
-                    "Symfony\\Polyfill\\Php70\\": ""
+                    "Symfony\\Polyfill\\Php55\\": ""
                 },
                 "files": [
                     "bootstrap.php"
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-                "classmap": [
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             "notification-url": "https://packagist.org/downloads/",
@@ -659,7 +593,7 @@
                     "homepage": "https://symfony.com/contributors"
                 }
             ],
-            "description": "Symfony polyfill backporting some PHP 7.0+ features to lower PHP versions",
+            "description": "Symfony polyfill backporting some PHP 5.5+ features to lower PHP versions",
             "homepage": "https://symfony.com",
             "keywords": [
                 "compatibility",
@@ -671,27 +605,25 @@
         },
         {
             "name": "symfony/property-access",
-            "version": "v3.1.2",
+            "version": "v2.8.8",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/property-access.git",
-                "reference": "b982bfb21901b130e4f814d2835ee9759fa60f40"
+                "reference": "8fa1fe88f80fd8baefcc71d7cb3007c977d769bd"
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-                "reference": "b982bfb21901b130e4f814d2835ee9759fa60f40",
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-                "php": ">=5.5.9",
-                "symfony/inflector": "~3.1",
-                "symfony/polyfill-php70": "~1.0"
+                "php": ">=5.3.9"
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             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.1-dev"
+                    "dev-master": "2.8-dev"
                 }
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@@ -729,52 +661,44 @@
                 "property path",
                 "reflection"
             ],
-            "time": "2016-06-29 05:41:56"
+            "time": "2016-06-29 05:29:29"
         },
         {
             "name": "symfony/serializer",
-            "version": "v3.1.2",
+            "version": "v2.8.8",
             "source": {
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                 "url": "https://github.com/symfony/serializer.git",
-                "reference": "e8621c273575617e132d582983d5d14ce0c2b76c"
+                "reference": "b03cb6d8f94637669cd9b62b4a5ae2ba631486aa"
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-            "conflict": {
-                "symfony/property-access": ">=3.0,<3.0.4|>=2.8,<2.8.4"
+                "php": ">=5.3.9",
+                "symfony/polyfill-php55": "~1.0"
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                 "doctrine/cache": "~1.0",
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-                "symfony/config": "~2.8|~3.0",
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-                "symfony/property-access": "~2.8|~3.0",
-                "symfony/property-info": "~2.8|~3.0",
-                "symfony/yaml": "~2.8|~3.0"
+                "symfony/config": "~2.2|~3.0.0",
+                "symfony/property-access": "~2.3|~3.0.0",
+                "symfony/yaml": "~2.0,>=2.0.5|~3.0.0"
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             "suggest": {
                 "doctrine/annotations": "For using the annotation mapping. You will also need doctrine/cache.",
                 "doctrine/cache": "For using the default cached annotation reader and metadata cache.",
-                "psr/cache-implementation": "For using the metadata cache.",
                 "symfony/config": "For using the XML mapping loader.",
-                "symfony/http-foundation": "To use the DataUriNormalizer.",
                 "symfony/property-access": "For using the ObjectNormalizer.",
-                "symfony/property-info": "To deserialize relations.",
                 "symfony/yaml": "For using the default YAML mapping loader."
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             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.1-dev"
+                    "dev-master": "2.8-dev"
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@@ -801,7 +725,7 @@
             ],
             "description": "Symfony Serializer Component",
             "homepage": "https://symfony.com",
-            "time": "2016-06-29 05:41:56"
+            "time": "2016-06-29 05:29:29"
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