Adds intval filter and fixes issue with number format applied on IDs

>=1000

lib/Config/Renderer.php

@@ -31,6 +31,7 @@ class Renderer {
     $this->setupDebug();
     $this->setupTranslations();
     $this->setupFunctions();
+    $this->setupFilters();
     $this->setupHandlebars();
     $this->setupHelpscout();
     $this->setupGlobalVariables();
@@ -45,6 +46,10 @@ class Renderer {
     $this->renderer->addExtension(new Twig\Functions());
   }
 
+  function setupFilters() {
+    $this->renderer->addExtension(new Twig\Filters());
+  }
+
   function setupHandlebars() {
     $this->renderer->addExtension(new Twig\Handlebars());
   }