ROUTINE
-------

void ug_io_version (char Compile_Date[])
                    char Compile_OS[],
                    char Version_Date[],
                    char Version_Number[]);

DESCRIPTION
-----------

Get compile date, compile OS, version date, and version number for ug_io
library.

OUTPUT ARGUMENTS
----------------

Compile_Date             : Compile date.
Compile_OS               : Compile OS information.
Version_Date             : Version date.
Version_Number           : Version number.
