Changes in version 1.5.0                        

    o   Automatically converts "tbl_id" and "subid" to uppercase.

    o   Corrected grammatical errors in the text.

                 Changes in version 1.4.0 (2021-09-29)                  

    o   Converts raw content to characters by using UTF-8 encoding.

                 Changes in version 1.3.0 (2021-06-22)                  

    o   The argument "na.rm" has been added to the "all_tables" function.

    o   Documentation of the "make_period" function has been corrected.

                 Changes in version 1.2.0 (2021-04-13)                  

    o   The function "make_period" has been added.

    o   The argument "timeout" has been added to the main functions.

    o   The function "all_tables" has been entirely rewritten.

    o   Examples have been modified to pass the automated checking of CRAN. The reason for such changes is unstable responses from the NSO server.

                 Changes in version 1.1.0 (2020-05-13)                  

    o   The error handling feature has been added due to an HTTP 500 error on the NSO server.

    o   The new argument "simplify" has been added to the "get_table_info" function. It provides the ability to return a user-friendly value.

                 Changes in version 1.0.0 (2019-02-05)                  

    o   Initial release