* ocaml 4.00 compatibility
* prevent findlib from being initialized twice
* better highlighting of errors
* automatically insert Lwt_main.run for
toplevel expressions of type 'a Lwt.t
* better camlp4 support
** parse quotations and antiquotations to
handle completion inside them
** better support revised syntax
* emacs mode improvements
** various fixes
** highlight errors
** add a menu
** add interactive list of findlib packages
** packages can be pre-loaded via the file variable
"utop-package-list"
** better tuareg integration
** typerex integration
** allow to complete using the toplevel environment
in a tuareg buffer
** allow to change the utop command
** use the same history as the terminal mode
** follow output of ocaml