When win32all features are toggled from keyboard, the display
is refreshed so update is seen immediately.
KeyToggleWin32All() now only works if USEWIN32ALL is True.
However, a separate internal program flag (WIN32ALLON) is
used to keep track of whether or not these features are
currently requested by the user.  This way setting USEWIN32ALL
to false both inhibits these features and prevents the
toggle feature from reenabling them.  Previously, even if
USEWIN32ALL was False, the user could toggle the features
back on with the TOGWIN32 program feature.
ProcessOptions() now ends with a call to RefreshDirList()
to make sure any interface features are properly updated.
Previously, the user either had to wait for the next
scheduled autorefresh or initiate one manually.