Parallel linq everywhere

1. Parallel linq
2. remove depth
3. fix #257

Wox.Infrastructure/Logger/Log.cs

@@ -48,7 +48,6 @@ namespace Wox.Infrastructure.Logger
         public static void Exception(System.Exception e)
         {
 #if DEBUG
-            throw e;
 #else
             var type = CallerType();
             var logger = LogManager.GetLogger(type);