YSH stdlib

stdlib/ysh/args-test.ysh                        352
stdlib/ysh/args.ysh                             281
stdlib/ysh/def-test.ysh                          43
stdlib/ysh/def.ysh                                7
stdlib/ysh/list-test.ysh                         87
stdlib/ysh/list.ysh                              64
stdlib/ysh/math-test.ysh                         64
stdlib/ysh/math.ysh                              87
stdlib/ysh/stream.ysh                           310
stdlib/ysh/table.ysh                            150
stdlib/ysh/yblocks-test.ysh                      72
stdlib/ysh/yblocks.ysh                           53

1,570 lines in 13 files