1 Move static queue for engine writing to engine struct
2 Continue refactoring of option stuff (search for option_nb)
3 Make _ex versions the default (more object oriented).
4 Remove most uci option commands. Refer directly to Uci->option. It will make the code more
6 Replace "append_option" by "insert_option".
8 Refactor removinging of trailing EOL and white space from string (see util.c and ini file parsing).