- cleaned up some code

- added DataLoader
- added assetDir
- splitted modules and controller namespace

src/Venom/Core/ArgumentHandler.php

@@ -29,14 +29,16 @@ class ArgumentHandler
 
     public function getItem(string $key, $default = null)
     {
-        if (isset($this->arguments[$key])) {
-            return $this->arguments[$key];
-        }
-        return $default;
+        return $this->arguments[$key] ?? $default;
     }
 
-    public function setItem(string $key, $item)
+    public function setItem(string $key, $item): void
     {
         $this->arguments[$key] = $item;
     }
+
+    public function hasItem(string $key): bool
+    {
+        return isset($this->arguments[$key]);
+    }
 }

src/Venom/Core/DatabaseHandler.php

@@ -66,9 +66,9 @@ class DatabaseHandler
         return $stmt->fetchAll();
     }
 
-    public function execute(string $query, array $args): void
+    public function execute(string $query, array $args): bool
     {
         $stmt = $this->db->prepare($query);
-        $stmt->execute($args);
+        return $stmt->execute($args);
     }
 }