- Added separate drivable motors for four circle H, K, L

- Added a listen mode to commandlog in order to support the batchEditor
- Some small fixes to exe* for BatchEditor

stringdict.c

@@ -161,6 +161,10 @@
      SDE sVal;
      int iRet;
      
+     if(pResult != NULL)
+     {
+       pResult[0] = '\0';
+     }
      iRet = LLDnodePtr2First(self->iList);
      while(iRet != 0)
      {