Print/return the set of nodes in current branch

def lsbranch(self, astr_path=""):
            """
            Print/return the set of nodes in current branch
            """
            self.sCore.reset()
            str_cwd       = self.cwd()
            if len(astr_path): self.cdnode(astr_path)
            self.sCore.write('%s' % self.sbranch_current.dict_branch.keys())
            str_ls = self.sCore.strget()
            if len(astr_path): self.cdnode(str_cwd)
            return str_ls