Bugfix/read property multiple client errors (#765)

* Fixed variable data type for boolean in RPM structure.

* Fixed RPM error handling to use callback.

* Fixed bacrpm app example when not enough command line parameters are used

* Fixed empty-list EPICS printing.

* Fixed RPM-Ack processing for end of list-of-results

* Added minimal handling for segmentation-not-supported during RPM of object properties.

src/bacnet/bacapp.c

@@ -3278,6 +3278,9 @@ int bacapp_snprintf_value(
                     str, str_len, &value->type.Shed_Level);
                 break;
 #endif
+            case BACNET_APPLICATION_TAG_EMPTYLIST:
+                ret_val = bacapp_snprintf(str, str_len, "{}");
+                break;
             default:
                 ret_val = bacapp_snprintf(
                     str, str_len, "UnknownType(tag=%d)", value->tag);
@@ -3922,7 +3925,7 @@ void bacapp_value_list_init(BACNET_APPLICATION_DATA_VALUE *value, size_t count)
     if (value && count) {
         for (i = 0; i < count; i++) {
             value->tag = BACNET_APPLICATION_TAG_NULL;
-            value->context_specific = 0;
+            value->context_specific = false;
             value->context_tag = 0;
             if ((i + 1) < count) {
                 value->next = value + 1;