o major rework and clean up of internal interfaces. move the main
program into main.c, the remaining parts are useable as library.
add bindings for lua. by Alistair G. Crooks <agc@netbsd.org>
o fix http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=566325
special thanks to al for the majority of these changes.
mrg