1.1 -> 1.2
	- added popt.3 man page (Robert Lynch)
	- don't use mmap anymore (its lack of portability isn't worth the
	  trouble)
	- added test script
	- added support for exec
	- removed support for *_POPT_ALIASES env variable -- it was a bad
	  idea

1.0 -> 1.1
	- moved to autoconf (Fred Fish)
	- added STRERROR replacement (Norbert Warmuth)
	- added const keywords (Bruce Perens)