Update vendored libs

vendor/gregwar/captcha/src/Gregwar/Captcha/CaptchaBuilder.php

@@ -26,7 +26,7 @@ class CaptchaBuilder implements CaptchaBuilderInterface
     /**
      * @var array
      */
-    protected $textColor = null;
+    protected $textColor = array();
 
     /**
      * @var array
@@ -135,12 +135,8 @@ class CaptchaBuilder implements CaptchaBuilderInterface
         } else {
             $this->builder = $builder;
         }
-
-        if ($phrase === null) {
-            $phrase = $this->builder->build();
-        }
-
-        $this->phrase = $phrase;
+        
+        $this->phrase = is_string($phrase) ? $phrase : $this->builder->build($phrase);
     }
 
     /**

vendor/gregwar/captcha/src/Gregwar/Captcha/PhraseBuilder.php

@@ -21,7 +21,7 @@ class PhraseBuilder implements PhraseBuilderInterface
     /**
      * Constructs a PhraseBuilder with given parameters
      */
-    public function __construct($length = 5, $charset = 'abcdefghijklmnpqrstuvwxyz123456789')
+    public function __construct($length = 5, $charset = 'abcdefghijklmnpqrstuvwxyz123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ')
     {
         $this->length = $length;
         $this->charset = $charset;
@@ -53,7 +53,23 @@ class PhraseBuilder implements PhraseBuilderInterface
      * "Niceize" a code
      */
     public function niceize($str)
+    {
+        return self::doNiceize($str);
+    }
+    
+    /**
+     * A static helper to niceize
+     */
+    public static function doNiceize($str)
     {
         return strtr(strtolower($str), '01', 'ol');
     }
+
+    /**
+     * A static helper to compare
+     */
+    public static function comparePhrases($str1, $str2)
+    {
+        return self::doNiceize($str1) === self::doNiceize($str2);
+    }
 }