- Fixes to hkl code

- Fixes to make RITA work
- tasub extended to calculate UB from cell alone, support for elastic mode
- New MultiCounter as abstraction for counting on HM's
- regression test driver for counters

macro.c

@@ -2,7 +2,7 @@
 
   All you need to evaluate macros with SICS
         
-  The implmentation for the macro stuff is complex and non intuitive.
+  The implementation for the macro stuff is complex and non intuitive.
   This is the price to pay for adding the extremly powerful and
   strong Tcl-interpreter to SICS. The problem is that Tcl does not
   know anything about connections and our error handling. We have
@@ -891,14 +891,9 @@ static int ProtectedExec(ClientData clientData, Tcl_Interp *interp,
    if (pCommand != pBueffel) free(pCommand);
    if(iRet == TCL_OK)
    {
-     /* we do not now why, but at some time it was found that
-        we need a copy, and can not use pTcl->result directly
-       
-          SCWrite(pCon,pTcl->result,eStatus);
-      
-        let us use SCPrintf, which maked always a copy
-     */
-        SCPrintf(pCon, eStatus, "%s", pTcl->result);
+        if(strlen(pTcl->result) > 0){
+            SCPrintf(pCon, eStatus, "%s", pTcl->result);
+        }
         return 1;
    }
    else