aqhome-react: more work on modules and networks.

- tested AND network and new suntime units.
- add unit XML property "invert" (inverts output for logical units)

apps/aqhome-react/units/u_module.c

@@ -16,7 +16,6 @@
 #include <gwenhywfar/xml.h>
 #include <gwenhywfar/text.h>
 
-//TODO: read modules
 
 
 /* ------------------------------------------------------------------------------------------------
@@ -486,16 +485,25 @@ AQHREACT_UNIT *_readOneUnitFromXml(AQHOME_REACT *aqh, GWEN_XMLNODE *xmlNode)
 {
   const char *id;
   const char *t;
+  const char *s;
 
   id=GWEN_XMLNode_GetProperty(xmlNode, "id", NULL);
   t=GWEN_XMLNode_GetProperty(xmlNode, "type", NULL);
+  s=GWEN_XMLNode_GetProperty(xmlNode, "invert", NULL);
 
   if (id && t) {
     AQHREACT_UNIT *subUnit;
     int rv;
 
     subUnit=AqHomeReact_CreateUnitByName(aqh, t);
+    if (subUnit==NULL) {
+      DBG_INFO(NULL, "Could not create unit of type \"%s\"", t);
+      return NULL;
+    }
     AQHREACT_Unit_SetId(subUnit, id);
+    if (s && strcasecmp(s, "TRUE")==0)
+      AQHREACT_Unit_AddFlags(subUnit, AQHREACT_UNIT_FLAGS_INVERT);
+
     rv=_readParamsFromXml(subUnit, xmlNode, "params");
     if (rv<0) {
       DBG_INFO(NULL, "here (%d)", rv);