Summary of changes:

Version bumped to 3.4.13

Added check for already running processes prior to starting ioland on a
given port.

ioland.c has been modified to activate this feature on HP/UX.

makefile has been modified to activate this feature on SCO UNIX.

To activate this feature on other operating systems:

	1) Determine whether the system uses "ps -ax" or "ps -ef".
	2) Add the -DEF or -DAX flag to the appropriate line in the make file for
the target operating system.
	    Use -DEF for systems using "ps -ef" or -DAX for systems using "ps -ax".