Convert Python types to proper Python type hierarchy.

Now much more inline with how CPython does types.
diff --git a/py/objbool.c b/py/objbool.c
index 9b53ffa..1d94ee0 100644
--- a/py/objbool.c
+++ b/py/objbool.c
@@ -4,14 +4,16 @@
 #include "nlr.h"
 #include "misc.h"
 #include "mpconfig.h"
+#include "mpqstr.h"
 #include "obj.h"
+#include "runtime.h"
 
 typedef struct _mp_obj_bool_t {
     mp_obj_base_t base;
     bool value;
 } mp_obj_bool_t;
 
-void bool_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t self_in) {
+static void bool_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t self_in) {
     mp_obj_bool_t *self = self_in;
     if (self->value) {
         print(env, "True");
@@ -20,10 +22,20 @@
     }
 }
 
+// args are reverse in the array
+static mp_obj_t bool_make_new(mp_obj_t type_in, int n_args, const mp_obj_t *args) {
+    switch (n_args) {
+        case 0: return mp_const_false;
+        case 1: if (rt_is_true(args[0])) { return mp_const_true; } else { return mp_const_false; }
+        default: nlr_jump(mp_obj_new_exception_msg_1_arg(MP_QSTR_TypeError, "bool takes at most 1 argument, %d given", (void*)(machine_int_t)n_args));
+    }
+}
+
 const mp_obj_type_t bool_type = {
     { &mp_const_type },
     "bool",
     bool_print, // print
+    bool_make_new, // make_new
     NULL, // call_n
     NULL, // unary_op
     NULL, // binary_op