- Introduced a new trace facility

- Fixed performance problems in many protocol drivers.


SKIPPED:
	psi/julprot.c
	psi/phytron.c
	psi/pmacprot.c
	psi/polterwrite.c
	psi/spss7.c

histmem.c

@@ -597,6 +597,7 @@ int HistConfigure(pHistMem self, SConnection * pCon, SicsInterp * pSics)
     SCWrite(pCon, "ERROR: failed to configure histogram memory", eError);
     return 0;
   }
+  tracePar(self->pDes->name,"initialized");
   return 1;
 }
 
@@ -861,6 +862,7 @@ int GetHistogramDirect(pHistMem self, SConnection * pCon,
     iRet = self->pDriv->GetHistogram(self->pDriv, pCon,
                                      i, iStart, iEnd, lData);
     if (iRet == OKOK) {
+      tracePar(self->pDes->name,"!!datachange!!");
       break;
     } else {
       iRet = self->pDriv->GetError(self->pDriv, &iErr, pError, 79);