Uploaded usable first version of perl code

$ ./mulops -u
Usage:
mulops [-du] [MULOPS-COMMAND]

 MULOPS-COMMAND
        If blank will display the full list of available MULOPS-COMMANDs.
        Otherwise the underlying OS commands that releate to MULOPS-COMMAND
        WILL BE EXECUTED.

 -d     documentation mode
        Will display underlying OS commands that releate to MULOPS-COMMAND,
        BUT NOT EXECUTE THEM.

 -u     Show usage command

++ Can also run "perldoc mulops"

Next on list:
i) catalogue work: specify catalogue name using environment variable
ii) write INSTALL doc
iii) fix the shell version - to use new catalogue format
iv) Update functional-spec to reflect changes to catalogue