Remove unused StandardMethods and improve session logic

src/Socialbox/Exceptions/DatabaseOperationException.php

@@ -1,14 +1,14 @@
 <?php
 
-namespace Socialbox\Exceptions;
+    namespace Socialbox\Exceptions;
 
-use Exception;
-use Throwable;
+    use Exception;
+    use Throwable;
 
-class DatabaseOperationException extends Exception
-{
-    public function __construct(string $message, ?Throwable $throwable=null)
+    class DatabaseOperationException extends Exception
     {
-        parent::__construct($message, 500, $throwable);
-    }
-}
+        public function __construct(string $message, ?Throwable $throwable=null)
+        {
+            parent::__construct($message, 500, $throwable);
+        }
+    }

src/Socialbox/Exceptions/RequestException.php

@@ -0,0 +1,21 @@
+<?php
+
+    namespace Socialbox\Exceptions;
+
+    use Exception;
+    use Throwable;
+
+    class RequestException extends Exception
+    {
+        /**
+         * Initializes a new instance of the exception class with a custom message, code, and a previous throwable.
+         *
+         * @param string $message The exception message. Defaults to an empty string.
+         * @param int $code The exception code. Defaults to 0.
+         * @param Throwable|null $previous The previous throwable used for exception chaining. Defaults to null.
+         */
+        public function __construct(string $message = "", int $code = 0, ?Throwable $previous = null)
+        {
+            parent::__construct($message, $code, $previous);
+        }
+    }