* Fix cygwin install script (medley.iss) to handle install directory with spaces in the directoryname. Also fix the uninstall.exe so that it actually deletes all of the installed directory instead of just portions of it. Finally update architecture specifications to match the latest InnoSetup conventions.
* Add powershell script to prep installers/cygwin directory for local testing of cygwin installer. Does what is done online by github action to get the files to include in the installer.
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