Added null checkinng and logging for edit user permissions (issue 155)

James Moger

2012-10-30 a4231d30c4d2765c80f57df79cd1d4d39a9795ea

 src/com/gitblit/utils/ObjectCache.java

@@ -91,4 +91,8 @@
      }

      return null;

   }

	
   public int size() {

      return cache.size();

   }

}