Merge pull request #2 from ARAMISAUTO/fix-userisinpercentage

[fix] fix for Feature::isUserInPercentage() method

Author: richardfullmer

src/Feature.php

@@ -1,6 +1,6 @@
 <?php
 /**
- * 
+ *
  */
 
 namespace Opensoft\Rollout;
@@ -183,7 +183,7 @@ public function toArray()
      */
     private function isUserInPercentage(RolloutUserInterface $user)
     {
-        return crc32($user->getRolloutIdentifier()) % 100 < $this->percentage;
+        return abs(crc32($user->getRolloutIdentifier()) % 100) < $this->percentage;
     }
 
     /**
@@ -210,4 +210,4 @@ private function isUserInActiveGroup(RolloutUserInterface $user, Rollout $rollou
 
         return false;
     }
-} 
+}