adding query() for CakeRequest

lib/Cake/Network/CakeRequest.php

@@ -758,6 +758,16 @@ class CakeRequest implements ArrayAccess {
 		return $accept;
 	}
 
+/**
+ * Provides a read accessor for `$this->query`.  Allows you
+ * to use a syntax similar to `CakeSession` for reading url query data.
+ *
+ * @return mixed The value being read
+ */
+	public function query($name) {
+		return Hash::get($this->query, $name);
+	}
+
 /**
  * Provides a read/write accessor for `$this->data`.  Allows you
  * to use a syntax similar to `CakeSession` for reading post data.

lib/Cake/Test/Case/Network/CakeRequestTest.php

@@ -1678,6 +1678,24 @@ class CakeRequestTest extends CakeTestCase {
 		}
 	}
 
+/**
+ * test the query() method
+ *
+ * @return void
+ */
+	public function testQuery() {
+		$_GET = array();
+		$_GET['foo'] = 'bar';
+
+		$request = new CakeRequest();
+
+		$result = $request->query('foo');
+		$this->assertEquals('bar', $result);
+
+		$result = $request->query('imaginary');
+		$this->assertNull($result);
+	}
+
 /**
  * test the data() method reading
  *