think migration is almost done, at least for set tag.

__set.cpp

@@ -19,7 +19,7 @@ namespace jet {
       if(keywordDefined("expr") && keywordDefined("eval"))
 	throw coreutils::Exception("Cannot use eval with expr.");
 
-      storeVariable(keywords[resolveKeyword("name")]);
+      storeVariable(resolveKeyword("name"));
            
    }