Merge branch 'feature/186' into develop

Close #186

Author: weierophinney

test/HostnameTest.php

@@ -635,4 +635,16 @@ public function testHostnameWithOnlyIpChars()
         $validator = new Hostname();
         $this->assertTrue($validator->isValid('cafecafe.de'));
     }
+
+    public function testValidCnHostname()
+    {
+        $validator = new Hostname();
+        $this->assertTrue($validator->isValid('google.cn'));
+    }
+
+    public function testValidBizHostname()
+    {
+        $validator = new Hostname();
+        $this->assertTrue($validator->isValid('google.biz'));
+    }
 }