Update Request and Response

Add constructor for Request to provide URI and method on instantiation.
Add success property and getSuccess() method Response.

Closes #1

src/pjdietz/WellRESTed/Request.php

@@ -74,6 +74,23 @@ class Request extends Message
      */
     static protected $theRequest;
 
+    // -------------------------------------------------------------------------
+
+    /**
+     * Create a new Request instance.
+     *
+     * @param string|null $uri
+     * @param string $method
+     */
+    public function __construct($uri = null, $method = 'GET')
+    {
+        if (!is_null($uri)) {
+            $this->setUri($uri);
+        }
+
+        $this->method = $method;
+    }
+
     // -------------------------------------------------------------------------
     // Accessors
 

src/pjdietz/WellRESTed/Response.php

@@ -19,10 +19,10 @@ use \InvalidArgumentException;
  * @property string reasonPhrase Text explanation of status code.
  * @property int statusCode HTTP status code
  * @property-read string statusLine HTTP status line, e.g. "HTTP/1.1 200 OK"
+ * @property-read bool success True if the status code is 2xx
  */
 class Response extends Message
 {
-
     /**
      * Text explanation of the HTTP Status Code. You only need to set this if
      * you are using nonstandard status codes. Otherwise, the instance will
@@ -94,6 +94,16 @@ class Response extends Message
         return $this->reasonPhrase;
     }
 
+    /**
+     * Return true if the status code is in the 2xx range.
+     *
+     * @return bool
+     */
+    public function getSuccess()
+    {
+        return $this->statusCode >= 200 &&  $this->statusCode < 300;
+    }
+
     /**
      * Assign an explaination for the status code. Not normally needed.
      *