Merge pull request traderinteractive#26 from rydente/v0.x

Create response interface

src/Response.php

@@ -7,6 +7,7 @@
  * Represents a response to an API request
  */
 final class Response
+    implements ResponseInterface
 {
     /**
      * The http status of the response.

src/ResponseInterface.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace DominionEnterprises\Api;
+
+/**
+ * Represents a response to an API request
+ */
+interface ResponseInterface
+{
+    /**
+     * Returns the HTTP status code of the response
+     *
+     * @return int
+     */
+    function getHttpCode();
+
+    /**
+     * Returns an array representing the response from the API
+     *
+     * @return array
+     */
+    function getResponse();
+
+    /**
+     * Returns the parsed response headers from the API
+     *
+     * @return array array where each header key has an array of values
+     */
+    function getResponseHeaders();
+}