[MERGE] internal glob expansion for all commands on win32 and for invocations from the test suite

[Aaron Bentley]

Aaron Bentley has voted resubmit.
Status is now: Resubmit
Comment:
Doing this based on variable name is too magic for my taste.  I suggest 
we add a new marker that causes glob expansion to happen, and also imply 
that multiple arguments would be converted into a list.  If it was, say 
'#', we would change 'file*' to 'file#' everywhere it is used.

For details, see: 
http://bundlebuggy.aaronbentley.com/request/%3C46B77C84.1030803%40gmx.ch%3E