ENH: Added special termination pipe to allow timeout to work for processes that close their output pipes.

ENH: Error messages from the forwarding executable are now read completely even if they are reported in multiple blocks.

BUG: When a child fails to exec, we need to read the entire error message, not just the first block.

BUG: Removed CloseHandle in case of error in DuplicateHandle.  According to documentation, DuplicateHandle will close the source handle regardless of error condition.

ENH: add the unix makefile generator as an option from the windows GUI, this builds with mingw, cygwin, and combinations of make cl, bcc32

ENH: Added use of KWSYS_HEADER macro in c and cxx files to include kwsys headers through their configured namespace.

ENH: Add optional argument to GetLineFromStream which can let the caller know whether there was a new line character at the end of the line that was just read

ENH: Using GetTempPath instead of TEMP environment variable to get a location to write the Win9x forwarding executable.

BUG: Argument parsers do not always remove double quotes from around an argument that has no spaces.

BUG: Install target for standard header wrappers must point at the std subdirectory in the installation.