PSK31SBW Version updates

1998/12/26 1.0
1998/12/31 1.01 Improved .HLP; F1 now toggles BPSK<>QPSK.
1999/01/05 1.02 With waterfall display; HELP search added.
1999/01/09 1.03 Bigger waterfall; 11025,0 fixed; COM port defaults NONE;
                More HELP screens.
1999/01/26 1.04 Added input over-range indicator. Better sample-rate
                set-up. Even more help screens.
1999/2/5   1.05 Centre freq. fixed. File-send cleaned up. Windows NT fixed.
		F3/F4 swapped. Sample-rate 11025,8000,N*500 OK.
