Merge branch 'hotfix/275'

Close #275

Author: weierophinney

src/MessageTrait.php

@@ -341,9 +341,9 @@ private function setHeaders(array $originalHeaders)
     private function validateProtocolVersion($version)
     {
         if (empty($version)) {
-            throw new InvalidArgumentException(sprintf(
+            throw new InvalidArgumentException(
                 'HTTP protocol version can not be empty'
-            ));
+            );
         }
         if (! is_string($version)) {
             throw new InvalidArgumentException(sprintf(

src/Uri.php

@@ -329,7 +329,7 @@ public function withPort($port)
             return $this;
         }
 
-        if ($port !== null && $port < 1 || $port > 65535) {
+        if ($port !== null && ($port < 1 || $port > 65535)) {
             throw new InvalidArgumentException(sprintf(
                 'Invalid port "%d" specified; must be a valid TCP/UDP port',
                 $port