New in 0.91:

	* Extra sanity checking in configuration file parser.

New in 0.9:

	* global shell definition can be overridden via ~/.tacshell
	* fd leak eradicated.

New in 0.8:

	* tacshell.conf can now contain unnecessary whitespace.
	* minor portability enhancements.

New in 0.7:

	* Multiple TACACS+ servers can be defined.
	* Removed troublesome signal code that had no actual benefit.
	* Made authenticate() standalone, so that a PAM version can eventually
	  be released :)
	* tacshell now uses autoconf.

New in 0.6:

	* Use getpassphrase() on Solaris, as getpass() truncates input to
	  eight characters.
	* Fix a couple of memory leaks.

New in 0.5:

	* Initial release.