code: def _load_existing_results(self, name, workdir):
          
          ## get mcmcs
          path = os.path.realpath(os.path.join(self.workdir, self.name))
          mcmcs = glob.glob(path+"_r*.mcmc.txt")
          outs = glob.glob(path+"_r*.out.txt")
          trees = glob.glob(path+"_r*.tre")
  
          for mcmcfile in mcmcs:
              if mcmcfile not in self.files.mcmcfiles:
                  self.files.mcmcfiles.append(mcmcfile)
          for outfile in outs:
              if outfile not in self.files.outfiles:
                  self.files.outfiles.append(outfile)
          for tree in trees:
              if tree not in self.files.treefiles:
                  self.files.treefiles.append(tree)
docs: Load existing results files for an object with this workdir and name. 
          This does NOT reload the parameter settings for the object...