- Scriptcontext debugged to be working

- Added a drivable adapter to scriptcontext nodes
- Added subsampling to simulated histograms (and as a general option) in
  order to support Gumtree testing.

stringdict.c

@@ -174,7 +174,7 @@
         {
           if(pResult == NULL)
           {
-            return strlen(sVal.value);
+            return strlen(sVal.value) + 1; /* for \0 */
           }
           else
           {