diff --git a/.travis.yml b/.travis.yml
index 90c1ab4..969cc62 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -63,6 +63,8 @@ after_failure:
 script:
   - ./vendor/bin/phpunit  -c .tests/phpunit.xml
   - npm test
+  - npm run lint:js
+  - npm run lint:css
 
 addons:
   coverity_scan:
diff --git a/composer.lock b/composer.lock
index d352563..3258483 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "content-hash": "e0409bcb302c1bef7caa031dafc841a9",
+    "content-hash": "ffb1c6d77d755002ea20d1c1c6338b43",
     "packages": [
         {
             "name": "ulrichsg/getopt-php",
@@ -1656,16 +1656,16 @@
         },
         {
             "name": "symfony/polyfill-ctype",
-            "version": "v1.10.0",
+            "version": "v1.13.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-ctype.git",
-                "reference": "e3d826245268269cd66f8326bd8bc066687b4a19"
+                "reference": "f8f0b461be3385e56d6de3dbb5a0df24c0c275e3"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-ctype/zipball/e3d826245268269cd66f8326bd8bc066687b4a19",
-                "reference": "e3d826245268269cd66f8326bd8bc066687b4a19",
+                "url": "https://api.github.com/repos/symfony/polyfill-ctype/zipball/f8f0b461be3385e56d6de3dbb5a0df24c0c275e3",
+                "reference": "f8f0b461be3385e56d6de3dbb5a0df24c0c275e3",
                 "shasum": ""
             },
             "require": {
@@ -1677,7 +1677,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.9-dev"
+                    "dev-master": "1.13-dev"
                 }
             },
             "autoload": {
@@ -1693,13 +1693,13 @@
                 "MIT"
             ],
             "authors": [
-                {
-                    "name": "Symfony Community",
-                    "homepage": "https://symfony.com/contributors"
-                },
                 {
                     "name": "Gert de Pagter",
                     "email": "BackEndTea@gmail.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
                 }
             ],
             "description": "Symfony polyfill for ctype functions",
@@ -1710,20 +1710,20 @@
                 "polyfill",
                 "portable"
             ],
-            "time": "2018-08-06T14:22:27+00:00"
+            "time": "2019-11-27T13:56:44+00:00"
         },
         {
             "name": "symfony/yaml",
-            "version": "v3.4.22",
+            "version": "v3.4.36",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/yaml.git",
-                "reference": "ba11776e9e6c15ad5759a07bffb15899bac75c2d"
+                "reference": "dab657db15207879217fc81df4f875947bf68804"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/yaml/zipball/ba11776e9e6c15ad5759a07bffb15899bac75c2d",
-                "reference": "ba11776e9e6c15ad5759a07bffb15899bac75c2d",
+                "url": "https://api.github.com/repos/symfony/yaml/zipball/dab657db15207879217fc81df4f875947bf68804",
+                "reference": "dab657db15207879217fc81df4f875947bf68804",
                 "shasum": ""
             },
             "require": {
@@ -1769,7 +1769,7 @@
             ],
             "description": "Symfony Yaml Component",
             "homepage": "https://symfony.com",
-            "time": "2019-01-16T10:59:17+00:00"
+            "time": "2019-10-24T15:33:53+00:00"
         },
         {
             "name": "vlucas/phpdotenv",
@@ -1880,6 +1880,12 @@
     "stability-flags": [],
     "prefer-stable": false,
     "prefer-lowest": false,
-    "platform": [],
+    "platform": {
+        "ext-json": "*",
+        "ext-pdo": "*",
+        "ext-xmlwriter": "*",
+        "ext-simplexml": "*",
+        "ext-libxml": "*"
+    },
     "platform-dev": []
 }