Merge pull request #34 from mreloaded/master

First parameter to delete should be "string|array", not "int|array".

Author: ukko

src/Redis.php

@@ -272,7 +272,7 @@ public function setnx( $key, $value ) {}
     /**
      * Remove specified keys.
      *
-     * @param   int|array   $key1 An array of keys, or an undefined number of parameters, each a key: key1 key2 key3 ... keyN
+     * @param   string|array   $key1 An array of keys, or an undefined number of parameters, each a key: key1 key2 key3 ... keyN
      * @param   string      $key2 ...
      * @param   string      $key3 ...
      * @return int Number of keys deleted.
@@ -291,7 +291,7 @@ public function del( $key1, $key2 = null, $key3 = null ) {}
 
     /**
      * @see del()
-     * @param   int|array   $key1
+     * @param   string|array   $key1
      * @param   string      $key2
      * @param   string      $key3
      * @return int Number of keys deleted.