code: def exists(self, fileDirSpec, **kwargs):
              
  
              str_path        = self.cwd()
              for k,v in kwargs.items():
                  if k == 'path': str_path    = v
              if fileDirSpec in self.lstr_lsnode(str_path):
                  return True
              if fileDirSpec in self.lsf(str_path):
                  return True
              return False
docs: Simple returns a boolean if the <fileDirSpec>
              exists in the current dir (or dir spec'd by **kwargs)