* data/automata/char-b/divkbaseb.cc: Include <vector>. Add more
	  comments. Use an `std::vector' to map integers to letters. Use
	  closed form of `d' in the loop.
	* data/automata/char-fmp-b/Makefile.am: Build new executable
	  `quotkbaseb'. New automaton `quot3base2.xml'.
	* data/automata/char-fmp-b/quotkbaseb.cc: New.
	* data/automata/char-z/Makefile.am: Build new executable
	  `divkbaseb'. New automaton `div3base2.xml'
	* data/automata/char-z/divkbaseb.cc: New.
	* taf-kit/tests/vcsn-char-z.test: New test for the `Z' flavor of
	  `div3base2.xml'.