First commit towards replacing pCon-> with someFunc(pCon)

This is accompanied with the removal of dead code in conman.c and else

evcontroller.c

@@ -835,7 +835,7 @@ int EVCDrive(pEVControl self, SConnection * pCon, float fVal)
 
   /* start executing */
   iRet = StartDevice(GetExecutor(), self->pName, self->pDes,
-                     self, pCon, pCon->runLevel, fVal);
+                     self, pCon, SCGetRunLevel(pCon), fVal);
   if (!iRet) {
     snprintf(pBueffel,255, "ERROR: Failure to start %s", self->pName);
     SCWrite(pCon, pBueffel, eError);
@@ -1022,7 +1022,7 @@ static int EVCallBack(int iEvent, void *pEventData, void *pUserData)
   }
 
   if (iEvent == VALUECHANGE && pCon != NULL) {
-    pCon->conEventType = POSITION;
+    SCSetEventType(pCon,POSITION);
     SCWrite(pCon, pBuf, eEvent);
     return 1;
   }