2 - added popt.3 man page (Robert Lynch)
3 - don't use mmap anymore (its lack of portability isn't worth the
6 - added support for exec
7 - removed support for *_POPT_ALIASES env variable -- it was a bad
9 - reorganized into multiple source files
10 - added automatic help generation, POPT_AUTOHELP
11 - added table callbacks
12 - added table inclusion
13 - updated man page for new features
17 - moved to autoconf (Fred Fish)
18 - added STRERROR replacement (Norbert Warmuth)
19 - added const keywords (Bruce Perens)