Add class documentation

Generator/CaptchaGenerator.php

@@ -7,7 +7,10 @@ use Symfony\Component\HttpFoundation\Session\SessionInterface;
 use Symfony\Component\Routing\RouterInterface;
 
 /**
- * Generates a CAPTCHA image
+ * Uses configuration parameters to call the services that generate captcha images
+ *
+ * @author Gregwar <g.passault@gmail.com>
+ * @author Jeremy Livingston <jeremy.j.livingston@gmail.com>
  */
 class CaptchaGenerator
 {

Generator/ImageBuilder.php

@@ -4,7 +4,13 @@ namespace Gregwar\CaptchaBundle\Generator;
 
 use Symfony\Component\Finder\Finder;
 
-
+/**
+ * Builds a new captcha image
+ * Uses the fingerprint parameter, if one is passed, to generate the same image
+ *
+ * @author Gregwar <g.passault@gmail.com>
+ * @author Jeremy Livingston <jeremy.j.livingston@gmail.com>
+ */
 class ImageBuilder
 {
     /**

Generator/ImageFileHandler.php

@@ -5,6 +5,9 @@ namespace Gregwar\CaptchaBundle\Generator;
 use Symfony\Component\Finder\Finder;
 
 /**
+ * Handles actions related to captcha image files including saving and garbage collection
+ *
+ * @author Gregwar <g.passault@gmail.com>
  * @author Jeremy Livingston <jeremy@quizzle.com>
  */
 class ImageFileHandler