Exclude __pycache__ from package

Author: slozier

Src/StdLib/StdLib.pyproj

@@ -14,6 +14,7 @@
 
   <PropertyGroup>
     <ExcludedPackages>
+      $(StdLibPath)\*\__pycache__\**\*.*;
       $(StdLibPath)\idlelib\**\*.*;
       $(StdLibPath)\tkinter\**\*.*;
       $(StdLibPath)\test\**\*.*;