2.0   - July 2002	First production release

2.0.1 - 2.0.5		Numerous cleanups, no functionality changes

2.0.6 - Sept 14, 2004	Fixed a security problem in call to syslog in log.c.
			All users should upgrade to 2.0.6 as soon as
			possible. Many thanks to Leon Juranic from LSS Security
			(http://security.lss.hr) for finding this problem...
			
2.1   - Sept 26, 2004	Finally got /proc stuff working under linux.
			Removed ability to use controlling tty as a selector
			for a process (hard under linux and not very useful).
			Updated man page for above.
			Fixed numerous warnings when compiled with pedanic
			checking.
			Fixed potential bug in gpp code with argument mismatch.

2.2 -	Nov 1, 2004	Removed dependency on NSIG.
			Changed signal handling code to ensure a signal
			is unblocked when a handler is set.
			
2.3 -	Mar 19, 2005	Added support for solaris 10 by improving
			PAM handling. Tested LINUX compatability.

3.0 - Jan 2007		Massive rewrite of many sections. Lots of new
			functionality including: 
			
				match_regex() function added to for regex matching
					on macro contents
				match_class() function in cpp for class matching
					on macro contents
				support for xauthority file copying
				support for rlimits
				and/or/not capabilities as classes
				allow edit file as source user via SUSEDIT
				shorthand added for editing file as target user
					with fcntl file locking
				login shell emulation
				new classes for STRING and NONE
				allow macros to contain classes
				improved logging
				improved portability
				better timestamping
				IPv6 support (hopefully)
				better tokenizer (well smaller anyway)
				fork/exec blocking under solaris
				added LOGIN class for su emulation
				fixed password prompt
			
			Simplified CPP slightly and removed some
				unused code
			Updated man pages for sus and suscpp
			Lots of changes to ensure no overflows
				of integer values
			64 bit support
			added support for user credentials if using PAM
			added ability to show resource usage on exit
			

3.1 - Jan 2008		Fixed annoying problem with killing timestamps
			requiring you to type a password and added check to make
			sure no command could be run when -k specified.
			
			Added integer comparisons support by added new classes
			EQ,NE,GT,GE,LT,LE
			
			Added a new feature to SUSCPP to allow a stack of macro
			sets. New metamacro command pushmacros, popmacros
			
			Added the TIMESTAMP_SCOPE macro to allow for tighter
			controls of the validity of timestamps, if desired.
			
			Fixed a bug with setting up XAUTHORITY environment variable.
			
			Fixed problem with interaction of background mode and -X.
			
			Updated documentation.

3.1.1 - April 2008	Fixed a problem when a non-existant target user was specified
			with -u which resulted in a segfault in the exit code.

3.2 - April 2008	Code cleanup. Internal reelase only.
			
3.3 - May 2008		Added a warning when using pretend mode and -s option to alert
			user to potential erroneous answer due to differences in
			command environment.
			
			Added EXTRACT class to allow using a reference user, group or
			file in comparisons.
			
			Added "hash" attribute to class FILE.
			
3.4 - December 2008	Added caches for all system objects.

			Added support for solaris privileges
			
3.5 - December 2009	Added skiplist as a fast data structure

			Converted all caches to use skiplists
			
			Converted cpp to use skipist for macro definitions
			for massive speed improvment (5 times).
			
			Added ability to re-prompt for a password if it was
			incorrect. Number of retries is controlled by control file.
			
			Updated documentation.
			
			Improved handling of resource accounting.
			
			Improved timeout flexibility
			
			Added a configure script (not autoconf)
			
			Improved install.