Downloaded 1.5 as well.. deleted all the old folders.. when trying to save the modded file receive the following error.
Could not load file or assembly 'PackageISO, Version=1.0.0.0, Culture=neutral,PublicKeyToken=null' or one of its dependencies. The application has failed to start because its side-by-side configuration is incorrect. Please see the application event log or use the command-line sxstrace.exe tool for more detail. (Exception from HRESULT: 0x800736B1
Thanks for the hard work!