diff --git a/app/AppKernel.php b/app/AppKernel.php
index 5d30753..172d10c 100644
--- a/app/AppKernel.php
+++ b/app/AppKernel.php
@@ -28,6 +28,7 @@ class AppKernel extends Kernel
         if (in_array($this->getEnvironment(), ['dev', 'test'], true)) {
             $bundles[] = new Symfony\Bundle\DebugBundle\DebugBundle();
             $bundles[] = new Symfony\Bundle\WebProfilerBundle\WebProfilerBundle();
+            $bundles[] = new Symfony\Bundle\WebServerBundle\WebServerBundle();
             $bundles[] = new Sensio\Bundle\DistributionBundle\SensioDistributionBundle();
             $bundles[] = new Sensio\Bundle\GeneratorBundle\SensioGeneratorBundle();
             $bundles[] = new Doctrine\Bundle\FixturesBundle\DoctrineFixturesBundle();
diff --git a/app/Resources/translations/messages.en.yml b/app/Resources/translations/messages.en.yml
index 6d1e518..b65454b 100644
--- a/app/Resources/translations/messages.en.yml
+++ b/app/Resources/translations/messages.en.yml
@@ -36,6 +36,7 @@ set:
     partCount: Count of parts
     theme: Theme
     theme.all: All Themes
+    theme.placeholder: All Themes
 
   download:
     unicolor.button: Download set (Uni-color)
@@ -72,6 +73,7 @@ model:
     search: Search
     category: Category
     category.all: All Categories
+    category.placeholder: All Categories
   subparts: Subparts
   related: Related bricks
   parents: Parent bricks
@@ -140,4 +142,5 @@ part:
 form:
   search.submit: Search
 
+
 meta.description: "Web catalogue of LEGO<sup>®</sup> parts for 3D printing"
\ No newline at end of file
diff --git a/app/Resources/views/embeds/modal.html.twig b/app/Resources/views/embeds/modal.html.twig
deleted file mode 100644
index 619d892..0000000
--- a/app/Resources/views/embeds/modal.html.twig
+++ /dev/null
@@ -1,19 +0,0 @@
-<div class="ui modal">
-    <i class="close icon"></i>
-
-    {% if block('title') is not empty %}
-        <div class="header">
-            {% block title %}{% endblock %}
-        </div>
-    {% endif %}
-
-    <div class="content">
-        {% block content %}{% endblock %}
-    </div>
-
-    {% if block('actions') is not empty %}
-        <div class="actions">
-            {% block actions %}{% endblock %}
-        </div>
-    {% endif %}
-</div>
\ No newline at end of file
diff --git a/composer.lock b/composer.lock
index 19a8734..c8a18c9 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1509,27 +1509,27 @@
         },
         {
             "name": "knplabs/knp-paginator-bundle",
-            "version": "2.5.4",
+            "version": "v2.6.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/KnpLabs/KnpPaginatorBundle.git",
-                "reference": "1618a19a871ba1245dc68e462b35e7df07dcfcc3"
+                "reference": "293abb6a2f1ae53ace5796d0ef3e5ae1b8f92371"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/KnpLabs/KnpPaginatorBundle/zipball/1618a19a871ba1245dc68e462b35e7df07dcfcc3",
-                "reference": "1618a19a871ba1245dc68e462b35e7df07dcfcc3",
+                "url": "https://api.github.com/repos/KnpLabs/KnpPaginatorBundle/zipball/293abb6a2f1ae53ace5796d0ef3e5ae1b8f92371",
+                "reference": "293abb6a2f1ae53ace5796d0ef3e5ae1b8f92371",
                 "shasum": ""
             },
             "require": {
                 "knplabs/knp-components": "~1.2",
                 "php": ">=5.3.3",
-                "symfony/framework-bundle": "~2.3|~3.0",
+                "symfony/framework-bundle": "~2.7|~3.0",
                 "twig/twig": "~1.12|~2"
             },
             "require-dev": {
                 "phpunit/phpunit": "~4.8",
-                "symfony/expression-language": "~2.4|~3.0"
+                "symfony/expression-language": "~2.7|~3.0"
             },
             "type": "symfony-bundle",
             "extra": {
@@ -1567,7 +1567,7 @@
                 "pagination",
                 "paginator"
             ],
-            "time": "2017-03-21T09:45:46+00:00"
+            "time": "2017-06-09T15:25:39+00:00"
         },
         {
             "name": "league/flysystem",
@@ -1755,16 +1755,16 @@
         },
         {
             "name": "monolog/monolog",
-            "version": "1.22.1",
+            "version": "1.23.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/Seldaek/monolog.git",
-                "reference": "1e044bc4b34e91743943479f1be7a1d5eb93add0"
+                "reference": "fd8c787753b3a2ad11bc60c063cff1358a32a3b4"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/Seldaek/monolog/zipball/1e044bc4b34e91743943479f1be7a1d5eb93add0",
-                "reference": "1e044bc4b34e91743943479f1be7a1d5eb93add0",
+                "url": "https://api.github.com/repos/Seldaek/monolog/zipball/fd8c787753b3a2ad11bc60c063cff1358a32a3b4",
+                "reference": "fd8c787753b3a2ad11bc60c063cff1358a32a3b4",
                 "shasum": ""
             },
             "require": {
@@ -1785,7 +1785,7 @@
                 "phpunit/phpunit-mock-objects": "2.3.0",
                 "ruflin/elastica": ">=0.90 <3.0",
                 "sentry/sentry": "^0.13",
-                "swiftmailer/swiftmailer": "~5.3"
+                "swiftmailer/swiftmailer": "^5.3|^6.0"
             },
             "suggest": {
                 "aws/aws-sdk-php": "Allow sending log messages to AWS services like DynamoDB",
@@ -1829,20 +1829,20 @@
                 "logging",
                 "psr-3"
             ],
-            "time": "2017-03-13T07:08:03+00:00"
+            "time": "2017-06-19T01:22:40+00:00"
         },
         {
             "name": "oneup/flysystem-bundle",
-            "version": "1.13.0",
+            "version": "1.14.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/1up-lab/OneupFlysystemBundle.git",
-                "reference": "0984d82d682b24d5017b0d8fc54090651baa71b0"
+                "reference": "1224bd9f50b5c655fea312a10f624d029768d3ff"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/1up-lab/OneupFlysystemBundle/zipball/0984d82d682b24d5017b0d8fc54090651baa71b0",
-                "reference": "0984d82d682b24d5017b0d8fc54090651baa71b0",
+                "url": "https://api.github.com/repos/1up-lab/OneupFlysystemBundle/zipball/1224bd9f50b5c655fea312a10f624d029768d3ff",
+                "reference": "1224bd9f50b5c655fea312a10f624d029768d3ff",
                 "shasum": ""
             },
             "require": {
@@ -1858,6 +1858,7 @@
                 "league/flysystem-gridfs": "^1.0",
                 "league/flysystem-memory": "^1.0",
                 "league/flysystem-rackspace": "^1.0",
+                "league/flysystem-replicate-adapter": "^1.0",
                 "league/flysystem-sftp": "^1.0",
                 "league/flysystem-webdav": "^1.0",
                 "league/flysystem-ziparchive": "^1.0",
@@ -1881,6 +1882,7 @@
                 "league/flysystem-dropbox": "Use Dropbox storage",
                 "league/flysystem-gridfs": "Allows you to use GridFS adapter",
                 "league/flysystem-rackspace": "Allows you to use Rackspace Cloud Files",
+                "league/flysystem-replicate-adapter": "Allows you to use the Replica adapter from Flysystem",
                 "league/flysystem-sftp": "Allows SFTP server storage via phpseclib",
                 "league/flysystem-webdav": "Allows you to use WebDAV storage",
                 "league/flysystem-ziparchive": "Allows you to use ZipArchive adapter",
@@ -1914,7 +1916,7 @@
                 "abstraction",
                 "filesystem"
             ],
-            "time": "2017-04-24T08:44:27+00:00"
+            "time": "2017-06-13T08:16:42+00:00"
         },
         {
             "name": "paragonie/random_compat",
@@ -2593,16 +2595,16 @@
         },
         {
             "name": "symfony/polyfill-apcu",
-            "version": "v1.3.0",
+            "version": "v1.4.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-apcu.git",
-                "reference": "5d4474f447403c3348e37b70acc2b95475b7befa"
+                "reference": "2e7965b8cdfbba50d0092d3f6dca97dddec409e2"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-apcu/zipball/5d4474f447403c3348e37b70acc2b95475b7befa",
-                "reference": "5d4474f447403c3348e37b70acc2b95475b7befa",
+                "url": "https://api.github.com/repos/symfony/polyfill-apcu/zipball/2e7965b8cdfbba50d0092d3f6dca97dddec409e2",
+                "reference": "2e7965b8cdfbba50d0092d3f6dca97dddec409e2",
                 "shasum": ""
             },
             "require": {
@@ -2611,7 +2613,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.3-dev"
+                    "dev-master": "1.4-dev"
                 }
             },
             "autoload": {
@@ -2642,25 +2644,25 @@
                 "portable",
                 "shim"
             ],
-            "time": "2016-11-14T01:06:16+00:00"
+            "time": "2017-06-09T08:25:21+00:00"
         },
         {
             "name": "symfony/polyfill-intl-icu",
-            "version": "v1.3.0",
+            "version": "v1.4.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-intl-icu.git",
-                "reference": "2d6e2b20d457603eefb6e614286c22efca30fdb4"
+                "reference": "3191cbe0ce64987bd382daf6724af31c53daae01"
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-                "url": "https://api.github.com/repos/symfony/polyfill-intl-icu/zipball/2d6e2b20d457603eefb6e614286c22efca30fdb4",
-                "reference": "2d6e2b20d457603eefb6e614286c22efca30fdb4",
+                "url": "https://api.github.com/repos/symfony/polyfill-intl-icu/zipball/3191cbe0ce64987bd382daf6724af31c53daae01",
+                "reference": "3191cbe0ce64987bd382daf6724af31c53daae01",
                 "shasum": ""
             },
             "require": {
                 "php": ">=5.3.3",
-                "symfony/intl": "~2.3|~3.0"
+                "symfony/intl": "~2.3|~3.0|~4.0"
             },
             "suggest": {
                 "ext-intl": "For best performance"
@@ -2668,7 +2670,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.3-dev"
+                    "dev-master": "1.4-dev"
                 }
             },
             "autoload": {
@@ -2700,20 +2702,20 @@
                 "portable",
                 "shim"
             ],
-            "time": "2016-11-14T01:06:16+00:00"
+            "time": "2017-06-09T08:25:21+00:00"
         },
         {
             "name": "symfony/polyfill-mbstring",
-            "version": "v1.3.0",
+            "version": "v1.4.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-mbstring.git",
-                "reference": "e79d363049d1c2128f133a2667e4f4190904f7f4"
+                "reference": "f29dca382a6485c3cbe6379f0c61230167681937"
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             "dist": {
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-                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/e79d363049d1c2128f133a2667e4f4190904f7f4",
-                "reference": "e79d363049d1c2128f133a2667e4f4190904f7f4",
+                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/f29dca382a6485c3cbe6379f0c61230167681937",
+                "reference": "f29dca382a6485c3cbe6379f0c61230167681937",
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@@ -2725,7 +2727,7 @@
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             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.3-dev"
+                    "dev-master": "1.4-dev"
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@@ -2759,20 +2761,20 @@
                 "portable",
                 "shim"
             ],
-            "time": "2016-11-14T01:06:16+00:00"
+            "time": "2017-06-09T14:24:12+00:00"
         },
         {
             "name": "symfony/polyfill-php56",
-            "version": "v1.3.0",
+            "version": "v1.4.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-php56.git",
-                "reference": "1dd42b9b89556f18092f3d1ada22cb05ac85383c"
+                "reference": "bc0b7d6cb36b10cfabb170a3e359944a95174929"
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-                "reference": "1dd42b9b89556f18092f3d1ada22cb05ac85383c",
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@@ -2782,7 +2784,7 @@
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-                    "dev-master": "1.3-dev"
+                    "dev-master": "1.4-dev"
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@@ -2815,20 +2817,20 @@
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-            "time": "2016-11-14T01:06:16+00:00"
+            "time": "2017-06-09T08:25:21+00:00"
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         {
             "name": "symfony/polyfill-php70",
-            "version": "v1.3.0",
+            "version": "v1.4.0",
             "source": {
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                 "url": "https://github.com/symfony/polyfill-php70.git",
-                "reference": "13ce343935f0f91ca89605a2f6ca6f5c2f3faac2"
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@@ -2838,7 +2840,7 @@
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-                    "dev-master": "1.3-dev"
+                    "dev-master": "1.4-dev"
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@@ -2874,20 +2876,20 @@
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-            "time": "2016-11-14T01:06:16+00:00"
+            "time": "2017-06-09T14:24:12+00:00"
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         {
             "name": "symfony/polyfill-util",
-            "version": "v1.3.0",
+            "version": "v1.4.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-util.git",
-                "reference": "746bce0fca664ac0a575e465f65c6643faddf7fb"
+                "reference": "ebccbde4aad410f6438d86d7d261c6b4d2b9a51d"
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@@ -2896,7 +2898,7 @@
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+                    "dev-master": "1.4-dev"
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@@ -2926,7 +2928,7 @@
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-            "time": "2016-11-14T01:06:16+00:00"
+            "time": "2017-06-09T08:25:21+00:00"
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         {
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@@ -3142,16 +3144,16 @@
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         {
             "name": "twig/twig",
-            "version": "v2.4.2",
+            "version": "v2.4.3",
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                 "type": "git",
                 "url": "https://github.com/twigphp/Twig.git",
-                "reference": "fe3e3f3359b23b36f65cb600cd516142c07a2e7d"
+                "reference": "eab7c3288ae6603d7d6f92b531626af2b162d1f2"
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@@ -3204,7 +3206,7 @@
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-            "time": "2017-06-06T03:58:14+00:00"
+            "time": "2017-06-07T18:47:58+00:00"
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     "packages-dev": [
@@ -3444,16 +3446,16 @@
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-            "version": "1.7.3",
+            "version": "1.8.0",
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                 "type": "git",
                 "url": "https://github.com/liip/LiipFunctionalTestBundle.git",
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@@ -3472,13 +3474,13 @@
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-                "phpunit/phpunit": "4.8.*|~5.2",
+                "phpunit/phpunit": "^4.8.35|^5.7|^6.1",
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-                "twig/twig": "~1.12"
+                "twig/twig": "~1.12|~2.0"
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@@ -3518,7 +3520,7 @@
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-            "time": "2017-04-21T17:22:21+00:00"
+            "time": "2017-06-19T09:12:22+00:00"
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@@ -4125,16 +4127,16 @@
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+            "version": "6.2.2",
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@@ -4205,7 +4207,7 @@
                 "testing",
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-            "time": "2017-06-02T12:24:37+00:00"
+            "time": "2017-06-13T14:07:07+00:00"
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@@ -4429,16 +4431,16 @@
         },
         {
             "name": "sebastian/environment",
-            "version": "3.0.3",
+            "version": "3.0.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/environment.git",
-                "reference": "02b6b2c7aefe2cdb1185b8dbf8718b0bcedf3ab3"
+                "reference": "74776f8dbc081cab9287c2a601c0c1d842568744"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/environment/zipball/02b6b2c7aefe2cdb1185b8dbf8718b0bcedf3ab3",
-                "reference": "02b6b2c7aefe2cdb1185b8dbf8718b0bcedf3ab3",
+                "url": "https://api.github.com/repos/sebastianbergmann/environment/zipball/74776f8dbc081cab9287c2a601c0c1d842568744",
+                "reference": "74776f8dbc081cab9287c2a601c0c1d842568744",
                 "shasum": ""
             },
             "require": {
@@ -4475,7 +4477,7 @@
                 "environment",
                 "hhvm"
             ],
-            "time": "2017-05-18T10:10:00+00:00"
+            "time": "2017-06-20T16:25:05+00:00"
         },
         {
             "name": "sebastian/exporter",
@@ -4942,34 +4944,31 @@
             "time": "2017-06-01T14:45:22+00:00"
         },
         {
-            "name": "symfony/polyfill-xml",
-            "version": "v1.3.0",
+            "name": "symfony/polyfill-php72",
+            "version": "v1.4.0",
             "source": {
                 "type": "git",
-                "url": "https://github.com/symfony/polyfill-xml.git",
-                "reference": "64b6a864f18ab4fddad49f5025f805f6781dfabd"
+                "url": "https://github.com/symfony/polyfill-php72.git",
+                "reference": "d3a71580c1e2cab33b6d705f0ec40e9015e14d5c"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-xml/zipball/64b6a864f18ab4fddad49f5025f805f6781dfabd",
-                "reference": "64b6a864f18ab4fddad49f5025f805f6781dfabd",
+                "url": "https://api.github.com/repos/symfony/polyfill-php72/zipball/d3a71580c1e2cab33b6d705f0ec40e9015e14d5c",
+                "reference": "d3a71580c1e2cab33b6d705f0ec40e9015e14d5c",
                 "shasum": ""
             },
             "require": {
                 "php": ">=5.3.3"
             },
-            "suggest": {
-                "ext-xml": "For best performance"
-            },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.3-dev"
+                    "dev-master": "1.4-dev"
                 }
             },
             "autoload": {
                 "psr-4": {
-                    "Symfony\\Polyfill\\Xml\\": ""
+                    "Symfony\\Polyfill\\Php72\\": ""
                 },
                 "files": [
                     "bootstrap.php"
@@ -4989,6 +4988,54 @@
                     "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": "2017-06-09T08:25:21+00:00"
+        },
+        {
+            "name": "symfony/polyfill-xml",
+            "version": "v1.4.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-xml.git",
+                "reference": "89326af9d173053826ae8fe26a6f49597ba4e9f3"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/polyfill-xml/zipball/89326af9d173053826ae8fe26a6f49597ba4e9f3",
+                "reference": "89326af9d173053826ae8fe26a6f49597ba4e9f3",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3",
+                "symfony/polyfill-php72": "~1.4"
+            },
+            "type": "metapackage",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.4-dev"
+                }
+            },
+            "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 xml's utf8_encode and utf8_decode functions",
             "homepage": "https://symfony.com",
             "keywords": [
@@ -4997,7 +5044,7 @@
                 "portable",
                 "shim"
             ],
-            "time": "2016-11-14T01:06:16+00:00"
+            "time": "2017-06-09T08:25:21+00:00"
         },
         {
             "name": "theseer/tokenizer",
diff --git a/tests/AppBundle/Service/ZipServiceTest.php b/tests/AppBundle/Service/ZipServiceTest.php
index bf52773..68e651e 100644
--- a/tests/AppBundle/Service/ZipServiceTest.php
+++ b/tests/AppBundle/Service/ZipServiceTest.php
@@ -27,8 +27,8 @@ class ZipServiceTest extends BaseTest
             LoadBaseData::class
         ]);
 
-        $this->modelService = $this->get(ModelService::class);
-        $this->setService = $this->get(SetService::class);
+        $this->modelService = new ModelService($this->em);
+        $this->setService = new SetService($this->em);
 
         $this->filesystem->write('models/1.stl',file_get_contents(__DIR__ . '/../Fixtures/models/1.stl'));