[M3commit] CVS Update: cm3

[Jay Krell]

CVSROOT:	/usr/cvs
Changes by:	jkrell at birch.	08/03/16 13:11:48

Modified files:
	cm3/scripts/python/: pylib.py 

Log message:
	Support cmd's %PATHEXT% search semantic.
	
	Put "." in %PATHEXT% so extensionless executables work, as NT386GNU
	will possibly be producing, if "." not already there.
	
	Add Cygwin/X to the NT386GNU $PATH (systemdrive\cygwin\usr\X11R6\bin),
	if cygx11-6.dll not already in $PATH.