Updated stale tutorial code ...
Updated stale tutorial code ...

... all code that doesn't get executed will eventually become stale!

aa755/FStar,msprotz/FStar,YaccConstructor/FStar,aa755/FStar,msprotz/FStar,hoheinzollern/FStar,msprotz/FStar,FStarLang/FStar,hoheinzollern/FStar,FStarLang/FStar,MallabaevAzamat/FStar,YaccConstructor/FStar,MallabaevAzamat/FStar,FStarLang/FStar,MallabaevAzamat/FStar,aa755/FStar,A-Manning/FStar,aa755/FStar,YaccConstructor/FStar,hoheinzollern/FStar,A-Manning/FStar,MallabaevAzamat/FStar,msprotz/FStar,hoheinzollern/FStar,A-Manning/FStar,YaccConstructor/FStar