+ - Updated the logic for writing executable files to deal as best we can
+ with files which are already in use and hence cannot be deleted on
+ - Changed the script generation when launchers are used to write a
+ single executable which wraps a script (whether pre-built or generated)
+ and includes a manifest to avoid UAC prompts on Windows.
- Changed the interface for script generation options: the ``make`` and
``make_multiple`` methods of ``ScriptMaker`` now take an optional