- Reworked mesure for four circle to new specifications

* reworked table
  * added psd mode
- exe now allows absolute paths
- added getRS232Timeout to rs232controller
- Fixed a couple of "guessed" return values

rs232controller.c

@@ -403,6 +403,10 @@ void getRS232Error(int iCode, char *errorBuffer,
   }
 }
 /*--------------------------------------------------------------------*/
+int getRS232Timeout(prs232 self){
+  return self->timeout;
+}
+/*--------------------------------------------------------------------*/
 int initRS232(prs232 self)
 {
   int iRet;