Scrutinizer fixes, updated the HttpRequest interface, fixed more PHPDoc

Author: seanmcn

src/Kobas/APIClient/Request/Curl.php

@@ -10,7 +10,7 @@
 class Curl implements HttpRequest
 {
     /**
-     * @var null|false|resource
+     * @var null|resource
      */
     private $handle = null;
 
@@ -48,7 +48,7 @@ public function setOption($name, $value)
 
 
     /**
-     * @return false| resource
+     * @return null|resource
      */
     public function getHandle()
     {
@@ -81,15 +81,15 @@ public function getAllInfo()
     }
 
     /**
-     * @return int|mixed
+     * @return int
      */
     public function getErrorNumber()
     {
         return curl_errno($this->handle);
     }
 
     /**
-     * @return mixed|string
+     * @return string
      */
     public function getErrorMessage()
     {

src/Kobas/APIClient/Request/HttpRequest.php

@@ -38,6 +38,12 @@ public function execute();
     public function getInfo($name);
 
 
+    /**
+     * @return array|false
+     */
+    public function getAllInfo();
+
+
     /**
      * @return mixed
      */