Fix the PHPDoc's types of Cookie.php

Author: dunglas

lib/Cookie.php

@@ -104,7 +104,7 @@ public function setPath($path)
     }
 
     /**
-     * @return string
+     * @return string|null
      */
     public function getPath()
     {
@@ -126,7 +126,7 @@ public function setDomain($domain)
     }
 
     /**
-     * @return string
+     * @return string|null
      */
     public function getDomain()
     {
@@ -144,7 +144,7 @@ public function setExpiry($expiry)
     }
 
     /**
-     * @return int
+     * @return int|null
      */
     public function getExpiry()
     {
@@ -162,7 +162,7 @@ public function setSecure($secure)
     }
 
     /**
-     * @return bool
+     * @return bool|null
      */
     public function isSecure()
     {
@@ -180,7 +180,7 @@ public function setHttpOnly($httpOnly)
     }
 
     /**
-     * @return bool
+     * @return bool|null
      */
     public function isHttpOnly()
     {

lib/WebDriverOptions.php

@@ -90,7 +90,7 @@ public function deleteCookieNamed($name)
      * Get the cookie with a given name.
      *
      * @param string $name
-     * @return Cookie The cookie, or null if no cookie with the given name is presented.
+     * @return Cookie|null The cookie, or null if no cookie with the given name is presented.
      */
     public function getCookieNamed($name)
     {