- 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

o2t.c

@@ -144,7 +144,7 @@
          iRet = pDrivInt->SetValue(self->pTheta,pCon, fVal);
          return iRet;
      }
-     return 0; /* inserted statement, guessed return value M.Z. */
+     return 0; 
   }   
 /*-------------------------------------------------------------------------*/
   static int O2TCheckStatus(void *pData, SConnection *pCon)