Updated the readme

Added the official API documentation links and corrected the grammar in
places

README.md

@@ -1,8 +1,12 @@
 #CloudFlare API PHP Binding
 
-A basic PHP binding for the [CloudFlare](https://www.cloudflare.com/) Client and Host APIs.  Depending on the number of parameters passed, you can use either the host functions or the client functions.
 
-Returns a PHP object in all cases.
+This is a basic PHP binding for the [CloudFlare](https://www.cloudflare.com/) [Client](https://www.cloudflare.com/docs/client-api.html) and [Host](https://www.cloudflare.com/docs/host-api.html) APIs.
+
+Depending on the number of parameters passed, you can use either the host functions, or the client functions.
+
+A PHP object is returned in all cases.
+
 
 ##Client API
 
@@ -11,6 +15,7 @@ Returns a PHP object in all cases.
     $cf = new cloudflare_api("[email protected]", "799df833d7a42adf3b8e2fd113c7260b955b8e95ac42c");
     $response = $cf->stats("example.com", INTERVAL_30_DAYS);
 
+
 ##Host API
 
 ###Usage