Fix Login class and semplify Autoloader

Before fix, login data never retrieved

src/Linna/Auth/Login.php

@@ -151,6 +151,7 @@ private function refresh()
         }
 
         $this->sessionInstance->loginTime = $time;
+        $this->data = $this->sessionInstance->login;
 
         return true;
     }

src/Linna/Autoloader.php

@@ -163,13 +163,10 @@ protected function loadMappedFile($prefix, $relativeClass)
             // replace the namespace prefix with the base directory,
             // replace namespace separators with directory separators
             // in the relative class name, append with .php
-            $file = $baseDir
-                    .str_replace('\\', '/', $relativeClass)
-                    .'.php';
+            $file = $baseDir.str_replace('\\', '/', $relativeClass).'.php';
 
             // if the mapped file exists, require it
             if (file_exists($file)) {
-
                 require $file;
 
                 // yes, we're done