Changelog for GenI-0.17.3

GenI 0.17.3, 3 Apr 2009 ----------------------- * Simplified build method * one single cabal package instead of two * cabal configure -f-gui to disable GUI * makefile stripped out * Lexical selection on empty semantics now allowed * This is so that the zero-literal semantics mechanism can work again * Better help text * Baked-in unit testing (geni --unit-test)