Move away from fully_reduces_to_null to rule_position, fixed some bugs. Have not fixed all, still looks up unkown key-value for the full kraken parse test.

stdlib/grammer.krak

@@ -518,7 +518,7 @@ obj table (Object) {
         expand_to(from_state)
         var cleaned_symbol = clean_symbol(on_symbol)
         if (items[from_state].contains_key(cleaned_symbol))
-            items[from_state][cleaned_symbol].addEnd(action(reduce, by_rule_no))
+            items[from_state][cleaned_symbol].addEnd(action(reduce, by_rule_no, rule_position))
         else
             items[from_state].set(cleaned_symbol, vector::vector(action(reduce, by_rule_no, rule_position)))
     }