[FEATURE] Minor features

- Added basic auth to Response class.
- Added getPassword() method for basic auth password in Response class.

src/Pecee/Http/Request.php

@@ -39,8 +39,15 @@ class Request {
      * @return string|null
      */
     public function getUser() {
-        $data = http_digest_parse($_SERVER['PHP_AUTH_DIGEST']);
-        return (isset($data['username'])) ? $data['username'] : null;
+        return (isset($_SERVER['PHP_AUTH_USER'])) ? $_SERVER['PHP_AUTH_USER']: null;
+    }
+
+    /**
+     * Get http basic auth password
+     * @return string|null
+     */
+    public function getPassword() {
+        return (isset($_SERVER['PHP_AUTH_PW'])) ? $_SERVER['PHP_AUTH_PW']: null;
     }
 
 }

src/Pecee/Http/Response.php

@@ -29,4 +29,9 @@ class Response {
         $this->redirect(url());
     }
 
+    public function auth($name = '') {
+        header('WWW-Authenticate: Basic realm="' . $name . '"');
+        header('HTTP/1.0 401 Unauthorized');
+    }
+
 }