fix(CLI): set request value to call

Previously, even though the request was passed by reference, it was
copied and thus our changes never arrived in the call.

Now the API makes this clear by taking ownership, and the CLI code
sets the Request value lateron, explicitly.

Related to #76

src/mako/api/lib/mbuild.mako

@@ -272,7 +272,7 @@ ${self._setter_fn(resource, method, m, p, part_prop, ThisType, c)}\
     rvfrt = lambda spn, sp, sn=None: rnd_arg_val_for_type(trv(spn, sp, sn))
 
     rb_name = 'req'   # name of request binding
-    required_args = request_value and ['&' + rb_name] or []
+    required_args = request_value and [rb_name] or []
     for p in required_props:
         # could also just skip the first element, but ... let's be safe
         if request_value and request_value.id == p.get(TREF):
@@ -370,7 +370,7 @@ match result {
         // You can also just use its `Debug`, `Display` or `Error` traits
          Error::HttpError(_)
         |Error::MissingAPIKey
-        |Error::MissingToken
+        |Error::MissingToken(_)
         |Error::Cancelled
         |Error::UploadSizeLimitExceeded(_, _)
         |Error::Failure(_)

src/mako/api/lib/rbuild.mako

@@ -3,7 +3,7 @@
                       rb_type, singular, hub_type, mangle_ident, mb_type, method_params, property,
                       to_fqan, indent_all_but_first_by, 
                       activity_input_type, TREF, IO_REQUEST, schema_to_required_property, 
-                      rust_copy_value_s, is_required_property, organize_params, REQUEST_VALUE_PROPERTY_NAME,
+                      rust_copy_value_s, organize_params, REQUEST_VALUE_PROPERTY_NAME,
                       build_all_params, rb_type_params_s, hub_type_params_s, mb_type_params_s, mb_additional_type_params, 
                       struct_type_bounds_s, METHODS_RESOURCE, SPACES_PER_TAB, prefix_all_but_first_with,
                       METHODS_BUILDER_MARKER_TRAIT, remove_empty_lines, method_default_scope)