Bulk actions + Extra data

- fixed issue on bulk action being run even without any items selected
- added WP like feature regarding item selection, if all items are checked, it also checks the header/footer checkboxes
- fixed issue where the selection state was not properly reset
- added List column to subscribers
- added json_encode/json_decode to Twig

lib/Config/Renderer.php

@@ -18,6 +18,7 @@ class Renderer {
 
   function init() {
     $this->setupTranslations();
+    $this->setupFunctions();
     $this->setupHandlebars();
     $this->setupGlobalVariables();
     $this->setupSyntax();
@@ -28,6 +29,10 @@ class Renderer {
     $this->renderer->addExtension(new Twig\i18n(Env::$plugin_name));
   }
 
+  function setupFunctions() {
+    $this->renderer->addExtension(new Twig\Functions());
+  }
+
   function setupHandlebars() {
     $this->renderer->addExtension(new Twig\Handlebars());
   }
@@ -51,7 +56,9 @@ class Renderer {
 
   function detectCache() {
     $cache_path = Env::$views_path . '/cache';
-    if (WP_DEBUG === false) return $cache_path;
+    if(WP_DEBUG === false) {
+      return $cache_path;
+    }
     return false;
   }
 }