* mes.c (apply_env, main): Call begin rather than eval with cons'ed
symbol begin.
* module/mes/mes-0.mes (apply-env): Likewise.
* quasiquote.c (add_unquoters): cons global unquoters rather than
creating it fresh.
* module/mes/mes-0.mes (add-unquoters): Likewise.
* mes.c (char_p, macro_p, number_p, pair_p, string_p, symbol_p,
vector_p, builtin_p, boolean_p): Move to type.c
* type.c: New file.
* GNUmakefile (mes.o): Depend on type snarf output.
* module/mes/loop-0.mes (cond, map, let, or, and not, evlis-env,
apply-env, eval-expand, uquote, add-unquoters, eval,
expand-macro-env, eval-begin-env, eval-if-env, sexp:define,
env:define, env:macro): Move to mes-0.mes.
* module/mes/mes-0.mes: New file.
* module/mes/type-0.mes: New file.
* scripts/include.mes: If BOOT, also include mes-0.mes. If TYPE0,
also include type-0.mes.
* mes.c (make_vector): Change to scm interface.
(temp_number): New global.
(list_to_vector): Use it.
* module/mes/scm.mes (c:make-vector): New function.
* tests/scm.test: Remove vector tests.
* tests/vector.test: New file.
* GNUmakefile (TESTS): Add it.
* GNUmakefile (mes.h): Also export SCM to symbols.i
* mes.c: Introduce SCM type for special symbols.
(builtin_eval): Rename from eval_env. Update callers.
* module/mes/base-0.mes (eval): Remove.
* module/mes/repl.mes (repl): Use eval.
