fixed some code smells

Author: onlime

app/ConfigLoader.php

@@ -72,7 +72,7 @@ public function getConfig()
      * @return StdClass
      * @link http://onli.me/array2object
      */
-    protected function _arrayToObject($arr)
+    protected function _arrayToObject(array $arr)
     {
         if (is_array($arr)) {
             /*

app/SendmailThrottle.php

@@ -65,6 +65,7 @@ protected function _connect()
      * @param string $username
      * @param int $rcptCount number of recipients
      * @return int exit status code (0 = success)
+     * @throws Exception
      */
     public function run($username, $rcptCount)
     {

app/StdinMailParser.php

@@ -58,8 +58,6 @@ public function __construct()
 
     /**
      * Run sendmail wrapper
-     *
-     * @return int exit status code (0 = success)
      */
     public function init()
     {

composer.json

@@ -18,6 +18,7 @@
     "require": {
         "php": ">=5.4.0",
         "ext-mbstring": "*",
-        "ext-pdo": "*"
+        "ext-pdo": "*",
+        "ext-imap": "*"
     }
 }