Requirements is php 5.4+

Author: repejota

README.md

@@ -21,7 +21,7 @@ A PHP client for the [NATS messaging system](https://nats.io).
 Requirements
 ------------
 
-* php ~5.4
+* php 5.4+
 * [nats](https://github.com/derekcollison/nats) or [gnatsd](https://github.com/apcera/gnatsd)
 
 
@@ -68,7 +68,7 @@ $callback = function($payload)
 };
 $client->subscribe("foo", $callback);
 
-# Request 
+# Request
 $c->request('sayhello', 'Marty McFly', function ($response) {
     echo $response->getBody();
 });