code: def check_shastore_version(from_store, settings):
      
      sprint = settings["sprint"]
      error = settings["error"]
  
      sprint("checking .shastore version for potential incompatibilities",
             level="verbose")
      if not from_store or 'sake version' not in from_store:
          errmes = ["Since you've used this project last, a new version of ",
                    "sake was installed that introduced backwards incompatible",
                    " changes. Run 'sake clean', and rebuild before continuing\n"]
          errmes = " ".join(errmes)
          error(errmes)
          sys.exit(1)
docs: This function gives us the option to emit errors or warnings
      after sake upgrades