Separate endpoint group anem frmo group description and key by group name. Fixes #535

tests/Fixtures/TestGroupController.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace Mpociot\ApiDoc\Tests\Fixtures;
+
+/**
+ * @group 1. Group 1
+ *
+ * Group 1 APIs
+ */
+class TestGroupController
+{
+
+    /**
+     * Some endpoint.
+     *
+     * By default, this is in Group 1.
+     */
+    public function action1()
+    {
+    }
+
+    /**
+     * Another endpoint
+     *
+     * Here we specify a group. This is also in Group 1.
+     *
+     * @group 1. Group 1
+     */
+    public function action1b()
+    {
+    }
+
+    /**
+     * @group 2. Group 2
+     */
+    public function action2()
+    {
+    }
+
+    /** @group 10. Group 10 */
+    public function action10()
+    {
+    }
+}