Merge pull request #8 from mayeco/fix_scrutinizer

Fix scrutinizer

Author: rcwsr

Generator/StringGenerator.php

@@ -10,7 +10,6 @@ class StringGenerator implements GeneratorInterface
     private $alphabet;
     private $length;
 
-
     /**
      * Set the characters that can be used to generate the string
      *
@@ -50,4 +49,4 @@ public function generate()
 
         return implode($str);
     }
-}
+}

Model/GeneratorInterface.php

@@ -6,13 +6,13 @@ interface GeneratorInterface
 {
 
     /**
-     * @param $alphabet
+     * @param string $alphabet
      * @return $this
      */
     public function setAlphabet($alphabet);
 
     /**
-     * @param $length
+     * @param integer $length
      * @return $this
      */
     public function setLength($length);
@@ -21,4 +21,4 @@ public function setLength($length);
      * @return string
      */
     public function generate();
-} 
+}